You realize you have no control over how you're perceived.
By the time you're thirty, your worst enemy is yourself.
Someday you will die, and until you know that, you're useless to me.
We've taken the world apart but we have no idea what to do with the pieces.
All human beings search for either reasons to be good, or excuses to be bad.
Every character sees the world through a framework of education and experience that they're proud experts about. To write a character, find out what they know best, and THEN you'll know how they'll describe a "hot day." Or a "pretty girl."