Because they have rubbers on their end.
They just work it out with a pencil!
When there's a tampon behind her ear and she's looking for her pencil.
The baby grows up and learns to stop crying.
De-calfinated!
In the gutter!
The children always end up with lice in their hair.
Because a vasectomy would heal in seconds and he doesn't look like he'd wear a rubber or pull out.