I hooked up with this guy that I’ve known for half my life and the next morning I was blocked on everything? Why?

He couldn’t get hard at all (maybe once for about 15 seconds) and after trying for like 30min we gave up. He said he wanted to see me again and try to make it up, but the next day I was blocked on everything… For context we’re both in our early 20s. It was our first time hooking up and we were both pretty excited about it.
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He was visibly stressed and frustrated and said “this isn’t me” and that it should’ve been the “best I’ve ever had”
I hooked up with this guy that I’ve known for half my life and the next morning I was blocked on everything? Why?
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