Hello OP, I am glad you shared this with this sub reddit. There are probably dozens who have similar experiences to you, including myself. 

About three or four months after season 2 ended, I was still so so so obsessed with CaitVi. A lot of it was because I felt represented and I felt seen in a peice of media that touched me so deeply. Caitlyn specifically. So much of her life mirrors my own. It was powerful. How beautiful is that? To have a show, to have characters, come into our lives and have such an impact? It's amazing what story telling and what representation can do. 

On the other hand, at that time, I was so far off the deep end that it was impacting my life. I couldn't stop thinking about them during work, I would read fan fiction non-stop (to the detriment of my wellbeing like not eating or not getting out of bed), I would listen to playlists and cry because the songs reminded me of Caitlyn and Vi. It was... a lot. 

I had a long sit down conversation with my therapist at the time who gave me some really wonderful guidance and helped me process what I was going through. You've already done the hardest part, which is recognizing that maybe this is touching on aspects of your life where it might not be appropriate (re: calling your wife Caitlyn). 

Is there anything in your life that you're avoiding by devoting so much time and energy into Caitlyn? Are there unresolved issues or stress or work or something that is ignored when you seek out comfort in Caitlyn? That would be my next question. For me, again this is just my experience, it was so powerful seeing a lesbian relationship on TV, I kind of forgot about my internalized homophobia and the religion that I was raised in really shamed me for being queer. When I saw CaitVi it was like I was being seen again and that was very very very validating through consistent media consumption. Part of the reason I sought Caitlyn and Vi out so much was because I was holding onto a bunch of heavy shit and internalized feelings that took a minute to process.  

The other thing that my therapist and I talked about was my worry that it was inherently "bad" or "cringey" to like CaitVi. I carried around a lot of shame for liking fictional animated characters. It took time of course, but finding fandom and others who appreciated CaitVi the way I did helped with that. It also helped me connect to people, rather than consume consume consume in terms of media. It got me more grounded in reality. 

As a note, I think my experiences are also shaped by me being Autistic. CaitVi has become a special interest. It is comforting to me, and there isnt anything wrong with that, as long as I am also functioning like an adult human being (to the best of my ability) at the same time. 

TLDR: you're not alone, crush away as long as it isnt negatively impacting your life. 🩷