Is five years a big age gap? I’m interested in a man who is 5 years younger than me but more established than I and very intellectual?

We have amazing chemistry and tease each other and I catch him staring at me and watching me when I talk to other men. I know he’s attracted to me.
Is five years a big age gap? I’m interested in a man who is 5 years younger than me but more established than I and very intellectual?
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