Dean [while giving the heart to Sam]: “Be my valentine! :)”

Dean [on the phone]: “Cas, it’s Dean. Yeah, room 31C, basement level, St. James Medical Center – ”
Castiel [appears in front of him]: “I’m there now.”
Dean: “Yeah, I get that.”
Castiel: “I’m gonna hang up now.”
Dean: “Right.”

[Cupid hugs Sam]
Dean: “Is this a fight? Are we going to fight?”
Castiel: “It isn’t. This is their handshake.”
Dean: “I don’t like it!”
Castiel: “No one likes it.”