"'I'm busy this week.' (After showing obvious interest earlier)"

What she's actually testing

Need or want. The man who needs this specific woman immediately offers alternatives: 'What about Thursday? Friday? Anytime works for me.' The man who wants her says 'no problem' — and means it, because he has a full life and other options, and she's welcome when she's available, not when it's convenient for him to chase.

Why it works on most men

Sudden unavailability after clear interest is a power move — it forces your hand. If your calendar is built around this interaction, you'll reveal it immediately by offering alternatives with escalating flexibility. The offers aren't enthusiasm. They're data about your position in the market.

The response framework

The obvious: 'No problem.' Nothing more. Continue with your plans. The disruptive: the word to eliminate here is 'need.' When you need this date to happen, you push for it. When you want it, you let it happen or not — because wanting is a position of choice, and needing is a position of dependence. She feels the difference between those two responses before she consciously articulates it.