Who said "Relationships are bonds forged in fire and blood."?

This quote is attributed to Drogon.

Relationships are bonds forged in fire and blood. - Drogon

"Relationships are bonds forged in fire and blood."

Drogon Relationships

"I am fire. I am death."

"Dracarys."

"A dragon is not a slave."

"I will burn them all."

"The key to a happy marriage is communication."

"Marriage is about compromise and understanding."

"Life's greatest treasures are relationships."

"Trust is a luxury I can't afford."