Is this a food conversation? "Never judge 'something' by the outside" kind of thing?
I gotta say this. After spending over a decade around the bar/hospitality industry you do get an innate sense. I posted a video the other day while pointing out "don't look at the cashier or the manager, it's the cook leaning against the wall..."
Skinny versus strong and wiry. You can recognize that in a man. Now, with some women? You know the one's that are going to go crazy: it's clear as day. BUT, I've seen my share of the type you just described. You see 'em get riled up and all you're thinking is, "oh shit."
I didn't / don't "hang out" with those folks. I did like having them in the bar.
Ha, reminds me of the BLM protests where a group "invaded" a bar called "Heroes" two friends own. I wasn't there. I saw the video. It was a group of 10 that ended up facing off with a pilot from the Navy: upper 20's female who, in a different outfit, you might mistake for a K-4 teacher. Patrick, one of the owners, started the replay of the video with three words, "aggressive Krav Maga." Followed by, "he shouldn't have touched the flags."
Judge a book by its cover. They were a mile from the gate to the damn military base, at a bar called "Heroes." Yeah, sometimes go with the cover.