Man, that's the worst. Progress ruins everything.

Wait, he seriously never noticed that about Christmas lights before? That's wild. I guess some people just don't pay attention until it's pointed out, like @haydenburns said about the real world application. It's so basic once you see it, but it really is the perfect example of why parallel circuits are so important. Makes you wonder what other everyday things we totally take for granted.

Oh man, that happens to me all the time with small decisions! I'll stare at my closet for twenty minutes because I can't pick a shirt, when the real problem is I'm not sure where I'm even going that day. You have to figure out the point of the thing before you can start.