I've only had one iPhone cable come apart on me and my power cable from my Thunderbolt Display shows some wear but I've never had a cord for any of my MBPs get

I've only had one iPhone cable come apart on me and my power cable from my Thunderbolt Display shows some wear but I've never had a cord for any of my MBPs get loose or breakdown in any way. I've got at least two bricks/cords from 2008ish that I still use with an adapter.