1) The item that you're looking for may be in the first place you look sometimes, but it'll be in the last place you look every time.

2) Everybody stresses about drinking purified water, but few of us see a problem with using unpurified water to bathe in (which seeps into our skin as well).

3) Why is it that Christmas is the only "Merry" that you get to greet someone with? No one ever says "Merry Birthday" or "Merry Thanksgiving." And vice versa, "Happy Christmas" just sounds wrong.

4) It's only socially accepted to say "bless you" after a sneeze. If you say "bless you" after someone coughs, they're sure to say "I didn't sneeze." (Trust me, I've tried this.)

5) There's no right way to say "No" when someone asks you to marry them.

6) People fall in love, but they also say that they "fell out of love." How can you fall out of something that you fell into? Shouldn't people say "I climbed out of love" instead?

7) The quickest way to make someone look at something is by saying "Don't look."