Ok, so I'm pretty sure there is something wrong with me. I have had this feeling toward my stepmother since I could remember. Like a desire. I know it's wrong, it's not right because she is married to my father and she is my stepmother. My father cheated on her and I just wanted to tell her so bad how I felt about her, and how much she deserved better but they got back together. My father married her without telling her he had a vasectomy. And all these years later she really wants a kid, I wish I could help her have a kid...
I am 21 years old, and I moved back into their house about a year ago because my roommate moved out of state and left the bills all on me. I go into their room sometimes when they go to work and I smell her freshly worn panties, and masturbate to them. I found a box of her toys(dildos) and I masturbated to them and licked them. I also found their sex tape and watched it so I could see what she looks like naked. Sometimes when my dad leaves to go to work, I hear her getting into the shower and I fantasize going in there and joining her, or going into the room and waiting on her to get out.
I have control enough to never do anything to crazy, but what should I do? Should I just get help, or tell her what I have done/ how I feel, or nothing? Please don't comment how sick I am, and how I need to find god.. I know I am sick, I just can't control myself sometimes.

I'm a 16 year old girl. I never bit anyone as a kid or anything like that. I have been diagnosed with OCD, Severe Clinical Depression, and a Generalized Anxiety Disorder. I am on medication for those things. But I have been having the urge to bite things lately. It doesn't matter what mood I'm in. I just randomly have the urge to bite things. I mostly bite myself; I could never bite another person. Yes, I have been self-harming for a little over 4 years, so maybe it's just another form of self-harm, but it's getting pretty bad. The bite marks last about a half hour. I've only broken through skin once. What is going on with me..why am I biting all of a sudden...

Okay, I've been searching for help. I have a problem. Let me start from the beginning.
My eldest brother suffers from cerebral palsy, and my entire childhood- my mom did not stay with me (parents are not separated) and my dad isn't exactly the loving type.
I have been a liar (without meaning to) from my childhood, and I have been sexually abused when I was a child (it didn't feel like an abuse, though)
Growing up, my elder brother (another one) kept dominating me or comparing me with my cousin brother who stayed with us. My brother would even force me to do things I didn't want to. He literally used to twist my arms.
Slowly, I feigned love for him. It happened on it's own. I actually believed myself. I knew I found him irritating and unwanted but still I respected him.
The somewhere around highschool, I got into a relationship and got cheated on. Yes, it was my first love.
It hurt. I was in a boarding school, I felt alone but never cried. I tried to take my life for reasons I can't remember. That phase of my life is a blur.
I thought everything would be okay.
It didn't.
My dad took me to a therapist, but my mom felt I was possessed by a spirit.
I'm 16 now, but I still haven't rebelled or gone against my parents.
Anyway, I never met the therapist again but I had to take part in rituals and what not.
Back to my brother, he manipulated me and made me look bad in front of my parents.
Being the weak, submissive sister I was, my parents never thought it was my fault.
Moving forward, he even made me lift up my shirt because he wanted to see my body type. I was obsessed with losing weight, I was dumb, I did it.
Now he would hug me weirdly and said I never hugged him properly. It sounds funny but he said my butt was too outwards, it should be inwards towards the person I was hugging.
Now, back to my elder brother, I know that he is suffering. But he does so many things to get attention. Shouts, screams, cries all day long. I'm suspecting that he even feigns illness. It isn't that we don't love him, we do. We do everything he asks, but still...
My father has never been affectionate. But he has always been there for me. We're good friends.
My mom, I don't know. She always makes me feel that marrying dad was a mistake. We're good friends, but... I feel trapped. Everything I do has to be under her.
I can't do anything on my own.
I feel suffocated.
So, around five months ago, my elder brother died. He was an alcoholic. He hit me, we fought. I never spoke to him again. I guess, I never will. I hadn't seen his face for a week or so, and when I did... I knew it was lifeless but it didn't look that way. I can't accept what happened. I'm angry that I couldn't be angry at him anymore. I don't know.
Now, I'm rude to people. My teachers say that I have lost that shine. My writing suddenly improved. I can laugh but still I feel different. None of my friends talk to me. I only have online friends.
I feel so alone.
Sadly, I think I like it that way.

Would love to help someone solve their mind related issues.

I just don't understand my "family". I leave my purse and wallet out on the table and they come and go through it. They just pick my wallet up and flip through my check book. And when I said something my grandmother got mad. She just got mad and smarted me off, then walked away. It's like this all the time, it's like I'm supposed to let them run over me and do or say whatever they want about me or my stuff, and if I say anything I'm a bitch or I don't know what I'm talking about. Honestly it makes me sick just to be here. Sometimes I just feel like I can't take it anymore, like my time is over and I should just commit suicide.