Lauren: Dad, do you know what the most commonly used letter in a girl's name is?
Me: Hmm. it is a consonant or a vowel?(Silence.) Please tell me you know what consonants and vowels are.
Lauren: you're no fun, Dad. Forget it.
Me: What is a vowel?
Lauren: OK, OK. A vowel is ... ahh .. eh ... well, oh ... uh ...
Me: Close enough.