I don't think that we necessarily lie. I mean, we make our living by pretending that we're someone else. I don't tell tall tales. I always tell the truth.
A guy's biggest style mistake is definitely trying to look too cool. As long as you've got a good pair of jeans, a good pair of boots and a few good shirts, you're fine.
My dad was a big believer in treating people well, oftentimes even when he himself wasn't well.