“I'm falling even more in love with you,/Letting go of all I've held on to./I'm standing here until you make me move,/I'm hanging by a moment here with you.” –Lifehouse, ‘Hanging By A Moment’

With Twilight Sparkle now a princess, Big Mac feels uncertain that he's good enough to be in a relationship with her. Can he write up a letter to fully express how he feels, and how will Princess Twilight respond?