The Situation
It happens at a party, at dinner with a group, at a bar — she's laughing a little too easily with someone else, touching his arm, holding eye contact a beat too long, and doing it while you're standing right there. It's not subtle enough to be nothing, but it's not clear enough to call out without sounding paranoid.
This can be several different things wearing the same outfit: a genuine lack of awareness about how it looks, a bid for your attention or jealousy, or a real boundary problem she hasn't had to answer for yet. The behavior looks the same from the outside in all three cases — which is exactly why guessing at the reason usually backfires, and naming what you saw matters more than diagnosing why she did it.
Don't perform jealousy in the moment — that's giving her a reaction to manage instead of a boundary to respect. Say what you saw, plainly, later, away from an audience: 'that made me uncomfortable, here's specifically what it was.' No accusation, no story about her intentions.
If this isn't the first time, the conversation isn't about one night anymore, it's about the pattern. A real partner takes 'this bothers me' seriously the first time you say it — watch what she actually does with the feedback, not just what she says in response to it.
This is easier to think through with someone who has your actual details.
Tell the Council what's actually happening → Ask the Council