[lighting a match in a dark tunnel
Like handshakes, house pets, and raw carrots, many things are preferable when not slippery, and the least preferable slippery thing is a slope, which is why I implore you to look away.
[puts out match
[lights another match
"It's a slippery slope" is an expression which refers to the way even small, seemingly harmless actions can send you down a path to something horribly wrong. My name is Lemony Snicket, and I am sorry to say that in the lives of ...