Look 5 months later and there will be 3 more cats trying to do that.
Pray that the mother isn't a stray and that she doesn't have 3 - 4 girl kittens for the adult male to bang when they're sexually active.
That being said... I have a boy cat, and a girl cat. They got old enough and we still didn't have them fixed, I had to pull the male off the girl cat, and afterwards the female rolls all over the floor for some reason. confused