Right, so, before you and the gang go off to destroy the Mako Reactor in Sector 5 Tifa leaves Marlene alone to take care of the bar. Because, you know, that's not irresponsible at all. I'm sure this will in no way come back to bite our heroes in the ass.

Tifa: Hey, Aerith, can you go get the child I left alone at the bar?
Aerith: Kay.
Gets kidnapped by Shinra

Oh, AVALANCHE.

Discuss.