Me: well, cuz this (longchamp) is a cheap bag and it's nylon, it's easy to carry and no worries on abusing, can withstand rain etc etc. If I took birkin out I'd be worrying about stains, weather, crowds etc.
C: So you buy a birkin just to keep at home???!!
Me: ...err...kinda yeah.
C: why aren't you wearing your new Tod's shoes? I haven't seen them since we were back.
Me: oh they are still somewhere in the luggage..
C: So you buy all those Tods and you end up still wearing cheap Crocs??
Me: well yeah, the Crocs are cheap and I don't mind if they get abused.
Moral of story? The cheap and the old have their uses, and serves more purpose than the new and expensive (but useless?).