But serial monogamy has a big downside not shared by  Lots of kids get reared either without fathers or with stepfathers, who often lack the Darwinian devotion of a biological father--and who may even be downright hostile.
Serial monogamy can lead to kids being raised without fathers or stepfathers.
Serial monogamy has no downsides.
I was proud for being able to solve the riddle on my own.
The large wave pool can be used for drifting.
A cat is sleeping.
A man walks down the street.
The dancers are sitting down.
A crowd stays put on the tiles.