The funny thing about this house is that--when you walk into the master bathroom, the light switch is on the left side, opposite of where the sink is.

Well, practically every other house I've ever lived in has always had the light switch on the right side--or at least on the same side as the sink.

And I'll be a monkey's uncle if EVERY SINGLE TIME I've walked into that bathroom, my hand doesn't instinctively reach to the right to turn the light switch on. Even after 14 days, my prior conditioning has been so engrained that when I consciously try to remember which side the light switch is on