I think of the times I've been out to bar/lounge or clubs and had a good time. When I think of approaching I think of the time that I just start in and talk, there's no signal from her at all. That is truely cold, but because of the atmosphere she'll warm up with in the first few seconds or not at all.

Majority of the time there's a signal from a girl, like she smiles, eye contact, and sometimes says hello first. These are warm. I can repeat the same approach and know she's available to talk to.

When you go to a bar, and there's some women but no signal.

Do you need the signal?

Edit:

Without some social feedback it's cold. Nothing even looking my way. Burrrrrrrr I have to embark on it in those situations or I might as well be invisible.

Then I thought about what it must be like for the super hot girl who walks in the room. Her feedback is going to be off the charts by comparison.

Do you ever enter a social setting and turn heads just for being there?

I'm studying this commonality in reactiveness but what creates the disparity between social settings? Different crowd, music, scene? More or less "hotness" between people?

Edit 2:

Then I think what would happen if my line was crossed and I ended up gender swapped, then get an overload of signals from people. That would completely throw any intuition to approaching a little sideways. I would have to have a place to recenter. Find a baseline.