Your feets are spoiled from running around nekid so much.
I like flip flops or slippers around the house or to feed the birds in the morning, but much more than that and boots go on. Too much pointy, stabby pokey stuff around here. Little prickly pear cactus, the needle-like tumbleweed thorns that seem to find a way into my feet and other assorted nasties have made me wear my loggers or smoke jumpers even with shorts. And bugs. Like scorpions and black widows. Rattly snakes. Boots. Romp-em, stomp-em, make-em flat and dead boots. Havent stomped any snakes, but getting hit in a boot seems preferable to flip flops or anything light weight.