Stress!!

I've been under a lot of stress lately but this stress has literally been all consuming and eating at my mind and now I think I'm having another mental breakdown but that's a whole other story lol. Either way, I was just with my bf and we were getting intimate ya know and yeah I was turned on but I just didn't feel into it. Things were still picking at my mind when this was going on and it just didn't feel right for me (not anything against him because it's deffo not like he was doing a bad job) I just don't know what's up with me. I have bad anxiety and I'm always a stressed out person and worrier so I don't know what makes this time different. But anyways, anyone else ever get like this? Or know what I can do???