[Diarmuid nods, though he doesn't take Zack's hand right away. Instead, he takes a minute to try and get the rest of his giggles out of his system. Once he does reach up to take the man's hand, he has a more serious look on his face.]

Okay! I will stop playing around now.

[As Zack helps him up, he jumps happily.]

What is the most important stretch to know? Show me that one. I will learn to do it...naturally!