Men gain weight after marriage: -This might have something to do with increased sedentarism, changes in diet, getting older, and hormonal changes.
Erections don't necessarily mean sexual arousal: - Men get erections when they are sexually aroused, but they also do so in other circumstances.
Dads can also suffer from postpartum depression: -Paternal postpartum depression has similar symptoms to maternal postpartum depression.
Men fart a lot: -Men beat the ladies when it comes to flatulence. Probably not something males are too proud of, but indeed they are a lot gassier.