No, you will ask politely. It's 100% socially acceptable to ask about how people are connected or know each other. If people get weird about it, apologize. "So

No, you will ask politely. It's 100% socially acceptable to ask about how people are connected or know each other. If people get weird about it, apologize. "Sorry, I was just worried for a second that you were, like, groping her!" Laugh it off. Women are likely to respect you for the fact that you're even aware that this is a problem.