Is it possible for OCD to go from harmful thoughts or paranoia thoughts to being completely about how my wife is cheating on me or going to hurt (poison me, attack me in my sleep)!?

Yes. Obsessions change constantly. The mind just needs something to worry sickly about.

I'm not normally an insercure person or anything like that. But for the last two weeks I can't get these thoughts out of my head and I have been dealing with OCD since I was a teenager but this is so much worse because we have on my married for two months and now I check her phone when she's asleep and I trust her but I just can't stop myself I can not fall asleep until shes been asleep for at least an hour and I feel like I'm losing my mind.

I suggest you read a book called “You are not your brain”, by Jeffrey Schwartz. In his book he talks about someone who is suffering from a similar thing. I think it may help you!

So checking her phone is the compulsion, right? You need to do it to feel a bit more calm that your fear is irrational?

i feel u.. i trust my boyfriend a lot but there s a girl in his class that she tries to hug him and he says no or he just be likes “wtv” and i always imagine that they talk by message(even knowing that if she texts him he will say) that he’s lying, that he will like her, that he s interessed in her, and now im thinking that i dont trust him, i always did. i trust him with other girls, only her makes me cry and feel anxious

Yes checking her phone or asking her 100 times if she's happy I'm always chasing the reassurance that every thing is ok, and it's necer good enough for me she has never hurt me in anyway and I truly believe she wouldn't. But for whatever reason i always have to look just to make sure and know

Hey Muni thanks so much I checked into that book a bit and its seems incredible