Just because I’m 30 doesn’t mean I don’t giggle when someone says “just stick it in,” or happens to select a particularly large salami at the deli counter. And when people trip and fall down a few stairs, I know I shouldn’t laugh at them, but I can’t help it. I’m only human.

Look: just because I’m 30 doesn’t mean I’m any more more mature than I was when I was thirteen. In fact, now I’m much drunker than I was at thirteen, so it would make sense that I inappropriately giggle more often.

Here are 21 things you really shouldn’t laugh at after you’ve turned 30… but I do anyway.[ITPGallery]