Fair enough! Tact-wise you definitely could’ve framed it up as everyone else has said ie let’s get to know each other over dinner or the like. He definitely seems immature asf to even mention it! Well done.
How did he brag about the casual sex? Just looking for some context! Your comment regarding expectations was assertive and warranted given the title, just looking for a little more info. Based on the screen shot it seems a bit out of left field and extreme for the level of conversation(that I can see!)