Lying about anything is the cruelest thing in the world you could ever do. Be who you are. Don't try to be someone you're not. It never works.
There are four ways, and only four ways, in which we have contact with the world. We are evaluated and classified by these four contacts: what we do, how we look, what we say, and how we say it.
I always figure hey, look, I'm not a rock star, I'm an actor. I'm somebody who's meant to be other people and I'm not meant to be here representing myself. I'm happier when I'm presenting myself as other characters.