Pic related

From Saturday Morning Breakfast Cereal:

[Guy]: Money!

[Girl]: Sex!

[Caption]: we decided to keep our wedding vows succinct


I think just about anyone would agree that there are a non-zero amount of men who enter into relationships in order to more reliably be able to have sex/avoid dry spells.

But how common is this?

I imagine there aren't any studies on this topic, but if anyone has seen studies that would definitely be interesting.

Bonus question: is that a good reason or a bad reason