Trust me, they grow up, move out, and flower into productive human beings who, despite what they say to you when you catch them coming in and violating curfew, really appreciate the wisdom you impart.
Just make sure you kill any similarly-aged males in the neighborhood.
Shallow grave.
No service.
Mum's the word.
Frowning takes 68 muscles.
Smiling takes 6.
Pulling this trigger takes 2.
I'm lazy.