Since the break up

My boyfriend went off on me two weeks ago and break up with me because of his own issues, since the break up I’ve fell into a depressive hole. Mentally I have checked out, physically i have checked out, I’m not interested in anything anymore, and worst part of all out of nowhere intrusive thoughts have came into my mind,

(Please read before judging this hasn’t happened in the past)

The first intrusive thought is sexual, my mind is laughing at me saying “HAHA YOURE GAY!” Or it’ll say “OMG you’re so a homosexual” and it is giving me so much anxiety because I know this is not me, it’s not who I am.

The next intrusive thought is physically, my brain is telling me “you should just kill yourself” “you have no friends” “no man will ever love you, that’s why you keep loosing them” “your going to die alone.”

Before you guys say that I fell into a depression over a man, i knew him my whole life, he was the only friend and support I had. I have nobody else... now I am empty, alone, and sad... what do I do about all of this? (I’ve been going to therapy but it doesn’t seem to help)