Does someone's age or looks determine whether you will flirt back?

If they flirt with you and you find out they are way younger or older than you, does that change anything for you?

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How old they look definitely matters.
How old they look doesn't really matter to me.
"I don't flirt" -MFD
Select gender and age to cast your vote:
Does someone's age or looks determine whether you will flirt back?
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