Paul's birthday present to Mac, handing him a key to his house and letting him know that no matter what, night or day, he is always welcome to stay because they think of him as part of their family.

* Bordering on {{Tearjerker}}, but both [[{{BlackBestFriend}} Mac]] and [[{{AlphaBitch}} Ana]] comforting [[{{BrokenHero}} Paul]] as the [[spoiler: world comes to an end]] was very [[{{HeartwarmingMoments}} Heartwarming.]]