Who said "Love is the death of duty."?

This quote is attributed to Lannister.

Love is the death of duty. - Lannister

"Love is the death of duty."

Lannister Love

"A Lannister always pays his debts."

"I am the god of tits and wine."

"You are an awful man."

"I drink and I know things."

"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!"