 Milk was a bad choice. Anchorman star Will Ferrell with a birthday today. He's 57. Jason Adelson, ABC News. The Rampage Shop. Up to 50% of American families are paying their adult children's bills to an average of $1,482 a month. Wow. I've never seen it like this. 25% of millennials, their parents are paying their housing, house payment, their rent, or they're living in their basement. You pay your kids' bills. Psychologists call that enabling.