Murdoc laughs a little too, despite himself. Peter's lightheartedness certainly grows on him, and Murdoc doesn't find himself wanting to shrug away the pleasant feeling it gives him to smirk at the other man.

"We'll see about that." He says in a dry tone with a wry smile. It's a bit of a mood flip, but he can't help feeling just the slightest bit cheered that a particularly attractive guy has taken a liking to him.