20 Problems Only People In Their 30s Will Understand

19. Slippers Start To Look Very Appealing

The slipper might be something of an elegant prop in Cinderella but in the real world it's an emblem of growing old - who doesn't remember visiting their grandparents as a child and marvelling at their soft, comfortable footwear? Slippers might be something you avoid as a young adult but once you hit 30 the stigma attached to them suddenly slips away, replaced with the prospect of toasty warm feet all year round and a decline in the problem of holes in socks...