I hooked up with my best guy friend, what next?

My best guy friend and I have known each other since we were little kids, we’ve always had each other’s backs and know each other so well. After 20 years of friendship, we hooked up recently and it was amazing. We live far away from each other (states away) and dont see each other often. We’ve been texting a lot since then, friend texts and sexy texts. He wants me to come visit him again and I really want to; however I don’t know if I should tell him I have a crush on him or not? Should I just keep hooking up with him and see where it goes? Or is he just enjoying that I gave him “the best head of his life”? (His words). I could see myself marrying him and I don’t want to mess this up. I never have questions about guys because I normally know what I’m doing, but with him he got me all twisted up in the game, cool points out the window. (Bonus pts for getting the reference lol) But please help, I don't know what to do
I hooked up with my best guy friend, what next?
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