Who said "I miss you when you're gone."?

This quote is attributed to Boo.

I miss you when you're gone. - Boo

"I miss you when you're gone."

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!"