Damn it, Nico, you're one of his music friends!! He absolutely wanted to invite you, he's just a dumbass!

...is what he would say if Nico voiced his thoughts. But Nico is quiet about his anxieties, and thus Dylan has no way to quell them. He brightens at Nico's affirmation.

"I really wanna try the mosh pit. I've heard it can get nuts in there."