Who said "You're the best monster in the whole world."?

This quote is attributed to Boo.

You're the best monster in the whole world. - Boo

"You're the best monster in the whole world."

Boo Love

"Kitty!"

"I like your hair. It's funny."

"You're my friend. My best friend."

"Don't let them scare you. You're brave."

"I love my wife, but sometimes she drives me crazy."

"Love conquers all obstacles."

"Love is patient, love is kind."

"I'm not stupid, I'm just in love!"