My sister doesn't live in the same state as I do, so it's always good when she visits. We usually end up hanging out at least part of the time, and it's good to catch up. Sometimes, it leads to a little bit of hilarity because I let her use my room (I get up really early and don't want to wake her by walking through her sleeping area). Either way, it's pretty much always a good time. Well, she and her husband visited recently. There was a lot of the usual banter about life and people we knew, but one exchange in particular stood out. See, my brother-in-law works for a company based in the Bay Area. He was flying in for work, so my sister decided to tag along on the trip and visit family (i.e., us) while he was there. However, since he was in the area for work, his company put him up in a hotel. Given that they'd already paid for the room, he planned on using it the whole time. It just sort of made sense. Now, my mom had assumed that both my sister and my br...