I don't think they come from eggs, Emily-Helen returned thoughtfully, tilting her head at the two men as if trying to picture them contained within a shell.

Bakura is unaware his being cordial is eerie, which is probably for the best. He isn't offended by the brusque tone though and seems to be contemplating actual advice to give. "Hold onto the shell with one hand and let yourself float. People are more buoyant than they realize."