Am I getting ED??

Hi.. I am 29 years old. My sex life was great with my gf before. Got a problem and we brokeup.. it's been almost a year now and I do not have sex since we broke up. I do masturbate a couple times a month. Couple days back I try to masturbate watch a bit of porn, but I can't get hard!!!. I don't know why. It's been 4 days now. I don't even got morning wood now. What happen to me??