Am I overthinking?

I have dated casually quite a bit in my early 20s but stopped it in my late 20s and now i hardly hook up and all but a week back i hooked up with a guy 10 years younger and i never have dated guys so much younger than me. But after the hook up i felt quite awkward for i dont know what reasons and though we haven't talked since he wanted to meet me last night for sometime. I did but still felt awkward. Am i overthinking about it?
Am I overthinking?
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