He lets Cade have the time to mull it over. Something like this? Is not done lightly or easily. It needs all the consideration either of them care to give. Silence can be uncomfortable, can be disquieting- but Zevran takes it as a sign that Cade is truly giving this the full weight it deserves. He has time.

"That depends on how much structure you require. Would more rules be better than less? A schedule to keep, perhaps, on top of that?"