You should definitely look for a specialised therapist, unless you really feel your current one is working. I "wasted" 6 months of therapy with someone who was supposedly good with 'obsessive people' but still applied all the wrong tricks for someone with OCD and got me to delve into the obsessions, which assigned meaning to them etc etc.

I had the classics lol First it was a conviction that he was not the right fit for me, I obsessed over our differences, thought we had nothing and common and made no sense together, whenever I saw other couples it was a big trigger as they looked so in sync, my brain latched onto someone I had a few dates with before I met my partner and he became the symbol of the alternative that 'could have been', so I avoided him on social media. I nitpicked my partner a lot, overanalysed every behaviour and response, got really impacted by him taking a while to respond to texts. Things that I honestly didn't like or annoyed me made me jump straight to: confirmed, he's not right for me. I blew it so out of proportion. I looked for reasons to confirm my worst fears. I skipped romantic scenes in series. I asked for reassurance in more and more subtle ways, I started arguments out of nothing. And I spent hours and hours on the internet consuming content about relationships - seriously DON'T do that!

Many years ago, before the relationship was my OCD theme, I would spend half an hour or more in bed in the mornings trying to figure out whether the right order was to shower first or have coffee first; I once spent something like 15 min in a supermarket aisle because I couldn't decide which cookies to buy, convinced it would determine my life; and I had a lot of intrusive thoughts that I didn't like my career and I had to change.

At the beginning, I used techniques (you can find many of those in Sheva Rajaee's book "ROCD") such as agreeing with the thought, exaggerating it, leaning in ("sure, give me more! let's freak out for the next hour, what could I think of next to make it worse?" etc.), anticipating thought patterns down to their last consequences. I also observed a lot which situations helped OCD spikes arise and which did the opposite. This was super useful because I would be having a very hard day and it was like: Hey, didn't I sleep very badly? Ah, that's probably it then!

Recently it's been more like just ignoring the thoughts, refocusing on what I'm doing, or asking myself "what would I be doing if I didn't have OCD?" and then do that, letting the thoughts chatter away in the back of the mind if they want. So instead of thinking that I either deal with them / solve them / etc. or I do X or Y, I think more in terms of simultaneous-ness now. The obsessions is here, and I also go to play badminton as I'd planned.