They all had habits that were part of them. The mako had let them take advantage of such and Genesis knew that habits were the hardest to break, especially when they were from stubborn men like them. Genesis still had to be reminded that such things like sleep and food was necessary when he was in his maniac mode of studying, so he was sure that there were some things that Sephiroth forgot to do.

"Who says that this kind of soldier play is anything like the ones back home?"