I want this HOCD gone.

I keeps coming back sometimes hard sometimes not so hard. I have given up porn and masturbating, whilst its only been a week and a half I want this gone. How long did it take all of you guys individually to get it finally gone?
It makes me want to break up with my girlfriend when i dont want that. I love her so so so much and i know it, i want to be with her forever. Did anyone else experience this doubt like feelings even though you know its not doubt. I just dont want to break up with her.
Im certain being in a lockdown in UK has helped make this more aware and worse which led me doing am i gay quizzez, My dad also said i run like a girl and made me think and lose my mind and just everything is bad.
I get intrusive thoughts which are horrible and make me sick, id never kiss, hug, go on a date or have a sexual avtivity with a man. I want to marry, have a family and have sex with a woman and always have. Ive loved women forever (maybe a little tooooo much). Does this get better, easier and fade away? and roughly how long? and did a strong attraction return for those in straight relationships?

Thank You,
Jack

 

i am i am, is there anything else you know thatll help