Just common sense.

The guy who brings home the most food will have the most surviving children.

He will also be very attractive to women.

It was also "common sense" not so long ago that the earth was the center of the universe. You're engaging with me disingenuously.

We just have a disagreement. People can have different opinions than yours without being disingenuous.

It's disingenious to use "common sense" as your argument. If you wanted to seriously engage then you'd have to critically examine my argument instead of dismissing it with something you pulled from the hoi polloi of common opinion.