You just have to be confident that no other person in the household has tinea or athletes foot and has left spores in the shower bay... and your wife doesn't have super-long hair

I am with Hummer on this -- I do have 15-odd pairs of bike shorts to choose from, and more than 20 jerseys, so the wear from washing gets passed around. And we use a front-loader these days, which is gentler on clothing than top-loaders.