Sorry to hear that, something like that will have a long lasting effect. There's nothing wrong with looking after things as long as it doesn't go too far otherwise you're worrying too much about things in life that are relatively unimportant really, and that's any lump of metal, at any monetary value.
I was going to put a rant about modern cars with oversized wheels and tyres that are often far too low profile for their need and the state of the roads but instead I'll put it's not all your wife's fault but I bet she cares a lot less about scuffing the wheels than you and possibly better for it (unless the damage is a lot more than wheel scuffs).
I bought my car as the paintwork on it wasn't particular good and the colour was boring so I wouldn't worry if I got the odd dink as my previous version had particularly good paintwork being a new bodyshell but I found I was beginning to get a bit over fussy and worried about where I parked it. The best thing I done was when I swapped the shiny new bumpers to a set of original bumpers of a different sort I didn't have them re-chromed (apart from the high cost at the time, much higher cost now) I left them dull and with a dink in one of the overriders. But I still worried about the paintwork which one of the reasons I got my present car and liked plastic cars as you can deal with scratches at your leisure.
My neighbour had two new RS4 estates in a row, after an incident he started to worry too much about the second one so I suggested as he used it so little, and never in the way it was designed, and couldn't get all his fishing gear in, which was his real interest, that he change it for another vehicle, merely affirming what he was thinking. He did and said he felt so much better after it went. He got a more suitable vehicle but still uses that very little but at least he can get his all fishing gear in. His place and vehicle are kept very smart, he washes the vehicles himself even though he had vouchers for free dealer valeting.