This is a tad awkward. Vince confronts Joyce in this Mike & Molly scene because she went out with an ex-boyfriend.
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Mike & Molly Season 2 Episode 14 Quotes

I know what goes on between pilots and students. I've seen more than my fair share of pornography.

Vince

Molly: I'm starting to think that flying for our honeymoon is spooking you.
Mike: What are you talking about? I'm a Chicago police officer. We're known far and wide as being unspookable.
Molly: Where are you going?
Mike: To lie down, I'm feeling a little queasy.