Daughter: Dad, do you know what the most commonly letter used for a girls name is?
Dad: Hmm.. Is it a constant or a vowel? (Silence.) please tell me you know what constants and vowels are.
Daughter: You're no fun dad, Dad. Forget it.
Dad: What is a vowel?
Daughter: Ok, Ok. A vowel is... Ahh... Eh... Well, oh...uhh..
Dad: close enough.