A guy had to go to the bathroom in the middle of a makeout?

I was at a club the other night (and before anyone says anything about covid, I live in a town where there have been less than 50 cases since march 2020) and I had been talking to a guy for a couple of hours. We were flirting a little bit and finally we went dancing, and while we were on the dancefloor, he kissed me. The first kiss was really tame, he didn't even use tongue. Then we kissed again, and he slipped in the tongue once. Then we moved away from the dancefloor, and our third kiss became full on making out, but it didn't last very long because he stopped the kiss and said he had to go to the bathroom. And he had just been to the bathroom like... 10 minutes before we went dancing.

So... I probably know the answer but... what was that? I get that a guy can get a little bit excited, but we were barely even making out at that point so I was quite confused. After he went to the bathroom we made out for like 2 hours and he didn't need a "bathroom break" again.
A guy had to go to the bathroom in the middle of a makeout?
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