What is your definition of psychology ?

I don't know whats going on with me, its getting worse and im getting tired. Im a boy, 20 years old and I can't remember as many details as I would like to remember about who and what I was before that 'something' happened thats why I'll be vague with some things. If you think you may have and idea or have some information or a good advice on this please feel free to answer cause I'm desperate.
I've been in and out of psychiatric institutions since high school and I've been diagnosed multiple times by different doctors (Antisocial personality disorder, Borderline personality disorder, Anxiety, Depression, Schizophrenia Paranoid, Schizoaffective disorder, Bipolar not otherwise specified.) When I was younger I was pretty much in control of myself, some things with me were off but nothing that really bothered me, things like excessive boredom, intrusive thoughts, derealization and depersonalizations and not being able to not to fake every social interaction, a giant disgust for every human, an entertained mind with every mechanic answer, things people could just not see, I planned everything I said and everything I did, it was automatic, It was sorta exciting getting everything I wanted, I stole things like whole outfits in expensive clothes stores even though I had the money just because it was exciting and made me feel good, I abused all kinda of drugs and people in a way, I got sorta lost in the drug path, I started getting psychotic and I did a lot of crazy things like going out of town, not sleeping, spending weeks on the street, drugs, wild parties, sex with strangers, but then a day I started to notice that I wasn't so sure of what I was doing, something that I think I never felt before, I was kinda lost, I was kinda alone and I didn't knew what was the next step to take, like if the part of me that was sure of everything and had everything sorted out disappeared, the drugs were getting down and I was so exhausted and desperate feeling that I couldn't go out for more, now i'm clean except for weed (auto medication) I became aware of every little thing but didn't know how to deal with it or what was the importance of everything, I have a cloud in my mind and im not sure of anything I don't know how to explain it, its driving me crazy, I want to stab my face multiple times after I stab everyone else, I always thought that in a way (a proxemic way) I can read peoples minds but after this happened it was like their thoughts and expression became sharp and aggressive to me, and now its like they can hear my thoughts too in that way also, something happened to my nerves, I can't be relaxed, not in my house, not in my bed, not in my sleep, I just can't relax its like If I am possessed and my brain and inside my body its burning I have ricing and negative thoughts, i'm angry and irritable to the core, to the point that if some one talks to me in that moment I snap and attack them with everything I have and I hurt myself cause I need it to stop now, it so much. Everyday I end up screaming and scratching my face because I don't quite get what im feeling but it is a lot, I can't concentrate, I can't decide between stupid easy things, I feel guilty all the time, I can't organize my mind and put whats first first, that makes me angry as ###$, I can't sleep well, I have panic attacks, night terrors, my stomach hurst and I need to throw up since I wake up, this are just some things that are happening, there are a lot more but I don't know what its important what its not, I also some times experience selective mutism when some one asks me what is happening because my brain does not know the answer or at least thats what I think. No one has been able to help me, not the doctors, not in the clinic , I don't trust anybody and im fearing that Im gonna have to kill myself because I won't live like this my whole life, and its not getting better, 2 years now, I feel hopeless. Alexithymia and mixed bipolar episode are things that can describe...

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Hi guys ,
This is pretty awkward to me talking about anything related to therapy to anyone. I've been seeing my therapist for a month now , we had 4 sessions and 3 walks so far. What i wanna talk about is how i can open up to him and not feel so stiff around him and end up regretting not saying all i want or any of it at all. He says we have a good relationship but it’s different for me. I feel really disconnected. I have so much to tell him but it always ends with me not saying what i REALLY wanna say , especially when we have a walk. There’s that thing i do when i feel "bad" , i pretend that i'm telling him what i'm feeling so i calm down. Maybe it’s the reason i have nothing left to say ?
The reason i'm trying to find a way to be more open is that i feel forced by myself. I’m regretting everytime i see him and end up not saying what i feel at all , and i don’t wanna drop therapy. I really really need it. I had a really unpleasant event by the time of our 3rd session and it made me realize how lucky i am to have a therapist at all. I wanna start fresh and on good terms with him. I wanna trust him enough to be comfortable around him to make our process better and not feel pushed. And he’s just a nice person idk what’s wrong with me
I want to want to get better and not feel so forced by myself.

I am Bipolar 1 and a paranoid schizophrenic. I take Depakote, zyprexa, hydroxizene, citalopram and medforim. I have gained 50 pounds in two months. Because of this I have been taking around 15 laxatives a day. I haven't tried overdosing on medication since I was sixteen and I am thirty seven now. Here's the but... I don't think I want to die but it's all I can think about. The thrill of taking as much as I can and feeling as physically sick as possible but not going to go get my stomach pumped seems to be the plan. The medications I've been planning are all past scripts and current ones. I know this is simply crazy I have a good doctor but the phone weighs a thousand pounds this Saturday morning. Hospital is out. I just seem to want to suffer. If you were me and did call, what would you say and exactly what results would you want anyway?

So i've never written a post ever on any forum, ever, and since things have changed for me recently, i'd decide to give this a go. Might not come back to this but i want to get whats in my head out there and see if anyone has anything to say about me and my problems.
My problems: I care about my family too much. I'm almost certain that I have depression, mild anxiety and a myriad of other mental health problems but I've never been properly diagnosed because I care about my family too much to have them worry about me at all. I also come from a culture where mental health is not a 'real' problem, but rather a thing for the weak or the bored.
I think about death a lot BUT i'm not suicidal. I'm fine with death and i'm not scared of it but I would never be able to go through with it as long as my parents are alive because I can't put them through all that pain. If they died though, I would have not much of a reason to keep going, but that is not the point of this post.
I've always been very aware of my issues and i've always been able to talk myself down in my head like there was a third person that tells the two conflicting voices in my head what to do. This third voice sounds like a trusty friend, insightful parent, or even a advising counsellor, when i think about it. This voice knows what people views as normal and suppresses my arguing voices to make me seem 'normal'. It usually takes effort but I know it works because everyone thinks I'm still this smiley, happy girl, which really hasn't been the case since about 7 years ago (when my first encounter of death in the family happened)
My dog (who's been with me for almost 15 years) died yesterday and I was sad but it wasn't a fearful, regretful sadness. It was more of a "i'll miss you" and "we've spent good time together" happy sadness, though it was really sudden and shocking. I still miss him but I don't think I'm doing too bad. My parents on the other hand haven't been able to sleep, eat, not spontaneously cry, and not talk about morbidity every couple of hours. They also hug me a lot because they think its comforting for me, and probably themselves too.
I guess what I'm saying is that is it weird that I'm so aware of what I'm almost sure I have? Does this mean I don't have these mental health issues because it doesn't really affect my daily life and I know what triggers it, how to control it, and what works/doesn't work? Do other people with mental health issues experience this too?
An analogy (if you're still reading): I deal with my problems like dealing with my period. When it starts, I know what I can do to not let it leak out for the world to see. I know what the best way to deal with the dirty pad/tampon is, to chuck it out (feeling all my feelings/non-feelings but in a physical location where no one will see me then throw them out or at least leave them where they can't be seen). I clean up after myself and flush the bloody mess away (make sure no one can physically see or pick out that I have problems at any point of any time)
What do you think?