I hate this

Hi, I'm 17,about to be 18. I've been struggling with these thoughts for the past 8 months. I was wondering if someone experienced ever the same because I feel im "different". BACKGROUND: (I'm not diagnosed with Ocd but seeing a local counselor) About 9 months ago I cheated on my boyfriend with this guy S (who blackmailed, manipulated and molested me). Since then when I realized that what i did was very WRONG and so I started ruminating picking apart every single interaction and telling my boyfriend, i tried to remember every single detail because otherwise I felt like i was being a fraud and hiding things to save myself, i had many crisis about it because I had also what i think was false memory ocd. My boyfriend forgave me idk how tbh I still wonder. CURRENT STRUGGLE: Months ago I was sure I didn't wanna S in any way and i was sure even when everything happened. For the past 2 months tho I've been having thoughts like " Do I love S?" "I love S" "S is hot" "Would S find me hot?" "What if I want S?" " What if I don't love my boyfriend enough?" "What if I secretly want S?" "What if I see my boyfriend as a friend only?Do I?" And I tried testing my reaction to intimate scenarios with S, I'm scared I like it i dont really wanna love S or have any secret attraction, I wish I didn't have any of this and I want to be sure of my feelings for my boyfriend because I know I wanna be with him and I see a future with him like he brings me comfort. But a part of me keeps trying to convince me otherwise. Sometimes I think I'd rather die than have these thoughts. Im so scared of not being able to control my feelings, im scared I can't resist S and its giving me anxiety and making me cry. Sometimes when i think of those sexual scenarios with S or I get those thoughts my mind tells me to smile because i like it because I find it funny. It makes me doubt myself all over again. Like I'm always like I need to test if I'd feel aroused to intimate scenarios with S, lately im trying to fight this urge to test and test but my mind is like "just do it this once so you can be sure. I can never watch anything romantic or sexual or whatever because my mind would be like "you and S" or sometimes I'm just enjoying time with my bf and im like " yes we can just have a sneaky cheating thing thats ok" and it makes me want to figure it out to find an answer a solution because idk it just does like I need to find the meaning of it if it means the truth and all. Im worried im just an awful person and these thoughts just ruin my quality of life . Today i had a crisis where i ended up doinf swlf harm, I'm so scared of finding someone that's not my boyfriend desirable or sexual appealing or whatever it is, I also have bodily reactions when I try to imagine and test my reaction to scenarios. Now i keep groing everytime and I dont know why but i have this sensation and I dont want to havebit especially when its something S related. Does someone experience the same thoughts? Am I alone in this? Is this ROCD? What should i do?

Background: I'm 17 about to be 18. I cheated on my boyfriend with this guy S( which I now cut contact with) months and months ago, I came clean to my boyfriend and he forgave me but that's when this all started. I'm not diagnosed with Ocd yet but jm seeing a local counselor. Now: In the past months I've been having thoughts like " what if I love S" "What if my boyfriend is just a friend to me" "I'd rather S did that * insert sexual thing or normal romantic thing*" " S wouldn't do that" "What if I secretly love S" "I love S" and I kept imagining scenarios with S to test how I'd react physically. These thoughts are there everyday for me 24/7, some days it's worse some it's better but I cry about them everyday because they build up and I just explode. I don't want to have them but they get worse and worse with time and I'm scared they reflect some kind of truth because of my past. I finished to have a crisis now, lasted at least 1 hour and I cried my heart out, my mind was like " I dont want anyone else to touch me like my boyfriend does" but then it said back " I love S" " I want S to do that" ecc ecc, got so bad I need to refocus during sex and I need to see my boyfriends face to be sure it's him because I'm scared S is gonna come into my mind and I'm gonna get turned on for him thing that scares me to death. I had the same with pedo like thoughts, for a while I had to avoid children because I was convinced I was a pedo. This comes and goes but the theme it's most in my mind it's this S theme around my relationship. I love my boyfriend and I don't want any of this, can someone please suggest me what to do?

my relationship ocd theme is back and it hasn’t for a while. i keep having intrusive thoughts about a friend even tho i have a boyfriend of 6 years. i like do not like this person they are good looking but im not like into them. i like feel guilty for no reason and i feel like i need to tell my boyfriend even tho like we’ve been through this before and it only gets better if i tell him but if i don’t i feel like im hiding something. AHH like i don’t even wanna see that person anymore