The twins? In a fight together? On the same side? It would take a miracle.
Nik really wasn't pressed for time. He was just being a smart ass. It was his way. If Ios hadn't figured that out after almost twenty years of life, he never would. "Huh... Well, never look a gift horse in the mouth! Let's march forth and steal booze."
Not that they really had to steal. International waters and that shit. But really, it was more fun to pretend. So Nik started the march out the door without a second thought.