Look, I don't know how you use your bag, how much weight of stuff you put into the bag, I'm trying to say is, I have had it for 2 years, I carefully used it for dozens times, and I don't put very heavy stuff in it, so far, the bag still looks brand new just like the first day I got it.
It is a great bag, every bag deteriorates and will show signs of wear quicker if use it frequently and not carefully, and how people use their bag very differently, if you worry about wear, the best bag wears the best is actually Neverfull in damier ebene print