Each Christmas, I receive at least one gift that could be considered a toy. This long-standing family tradition signals that I’ve never fully grown up—and I’m okay with that! This year’s toy was a Lego R2-D2 kit with 1,079 pieces.

You've seen your kitchen sink refuse to drain because a piece of food is lodged in the drainpipe, and the water cannot get past it. Perhaps you've been brushing your teeth one morning and noticed your bathroom sink has water sitting in it because hair and soap residue prevents the sink from draining.