Guy stopped flirting after finding out I'm younger than him?

I'm 22 and this guy is 30. We met up at work and seemed to really like each other. Good chemistry. He's down to hang out and drink after work.

After he sneakily asked a question that would imply my age. He seemed to back off after finding out I'm 22.

Should I respect his wishes and leave him be?

Or should I feel him out by sending a cute picture/ flirt / be direct?

I know age is a sensitive topic sometimes

Guy stopped flirting after finding out I'm younger than him?
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