Yes dear, I know, I'm sleeping on the couch again...

Alexis was eating breakfast one morning and got to thinking about things.
"Mommy, mommy, why has daddy got so few hairs on his head?" she asked her mother.
"He thinks a lot," replied her mother, pleased with herself for coming up with a good answer to her husband's baldness.
Or she was until Alexis thought for a second and asked, "So why do you have so much hair?"