Barney: You're making this whole story up.
Marshall: I wish that I were. Because of the tragedy, I never got to finish my training. I never learned accuracy. Because of that, I shall remain forever... a mere slapprentice.
Lily: What does that mean, baby?
Future Ted: [v.o.] Here's what it meant.
[present: Marshall's hand misses Barney's face:]
Barney: Whoa! Huh? Ah! [runs off]
Marshall: Damn it.