Am I crazy?

So me and my bf of 5 years just have sex and my anxiety is so bad so typically he always leaves the condom on and doesn’t do anything crazy. He was being so kind today and loving on me and before he finished I said he could cum on my back. Well… bad mistake for my anxiety!

When he took the condom off I swore I felt something hit my Venetian area but idk if it was the condom, his hand, etc. Then he proceeded to finish on my back and I’m currently extremely paranoid that it something slipped from down my back and into my vagina. It was sex, there’s so many fluids and things going on so who’s to say for sure what happened?!?!?

I trust him and he said nothing went around my genital area (neither of us are wanting to get pregnant) but I can’t calm my anxiety down to believe that I’m fine? I haven’t had any preg scares with him in the last 5 years and I’m afraid this’ll be my first one 😵‍💫 Especially because I couldn’t see anything to know what was going on. I want to believe I’m just crazy, but weird things happen every day. How do I calm my anxiety down from this!?!? Has anyone with anxiety had a similar instance?!?