I just bought my azur speedy 30 and I like it so much. The one that worries me is if after years of wearing it the color of canvas will change color become dirt or more yellow than its original (broken white-Grey). I started to woory after seeing to one of local boutique that sales fakes branded hand bag. I found out one Azur sale on clearance due to one side of the canvas bag has changed color to more yellow. I'am afraid it will happend to my authentic one. Does any body has keeping azur after years ? does it change color ?