Will I ever know the answer to my obsessions?

I'm struggling really hard with relationship obsessions. Do I really love my partner? How can I know? Am I really just faking it? That kind of thing. It's making my life and relationship a lot harder than they need to be. I could use a few helpful coping mechanisms, trying to move away from less helpful ones like chasing reassurance.

(20f) I have been dealing with severe OCD symptoms for as long as I can remember. I recently got diagnosed about a year ago, and even though I know that these thoughts are probably my ocd, I still cant shake them. Growing up I was always very sexually curious. I was sheltered from a lot of things, as I went to a private school and things like sexuality and sex were never talked about. I remember doing some weird sexual things growing up (never affecting another person), looking up taboo sexual things, etc. I always seemed to become aroused no matter what the situation was, even if I just saw someone getting changed. I have no recollection of being SA'd, so i'm wondering where this all came from? Was I just curious and wanted to experiment and try different things? Or am I really a pervert, pedophile, etc. I have all these thoughts racing through my head and it's killing me. Everything I did as a kid I look back on and am disgusted, as those don't align with my views at all today. I never thought growing up thinking these things were wrong, or actually realize what they were until I got older. I'd like to think it was just my curiosity, but i'm not sure. What if i'm in denial and actually do like these things? I just need to know if theres something wrong w me, I cant keep going on like this. Could really use some advice.

I need too know that I'm not insane, really. I am 16 and for the past two weeks, this has been completely ruining my health and happiness. I only recently came out as a lesbian like 3 months ago after a lot of confusion about my attraction since I used to think I liked men. At first, I felt so sure that I liked women, but lately, I've been having these unwanted thoughts about the possibility of liking men. I never used to feel this way, but now, every time I look at a man, my brain obsessively fixates on it. It forces me to imagine kissing him, loving him, things I don’t want, and then tries to convince me that I do. It’s painful. The thought of this fills me with fear and anxiety, leading to panic attacks and breakdowns. I don’t want these thoughts. I hate them with every fiber of my being, but I’m terrified that one day I’ll act on them and somehow like it. I used to think I liked men, but back then, I was in a very unhealthy space in a time of escapism and something deeply parasocial. I’ve only ever liked the attention and validation a man could give me, but these experiences are somehow treated as further proof that I’m "bisexual." I’ve never been in a real relationship with anyone, which makes my brain constantly challenge me—telling me, “You don’t even know what love feels like.” It won’t shut up. It keeps obsessively trying to make me prove that I’m a lesbian, testing my reactions and questioning my certainty. Is this normal?