Risks.

Yes, I'm going to take a risk. I am going to talk about a very mainstream four-letter word.

A very used word in about every single book, except maybe textbooks. And some other books that save us the need to skip that little quad and keep on reading.
It's a small four letter word that doesn't necessarily express what it means, it doesn't give the force of it's definition, it has too much responsibility, and it's often misinterpreted and directed to all the wrong places.
Sometimes those like us who can't use that word on a significant other are limited, exhiled to it, however that doesn't mean we are, what, unfeeling? Dead inside? HARSH! That's unfair! I have the right to use it too, even though I'm single.

Anyway, if you were wondering, the word is love. Ugh, it's so corny. But well, it's there for a reason.