Three rules for a career: 1) Don't sell anything you wouldn't buy yourself. 2) Don't work for anyone you don't respect and admire. 3) Work only with people you enjoy."
expands on rule No. 1: If we don't like, understand, or believe in a product, we are going to be a disaster when we try to sell it.
expands on rule No. 2/3: make a point to limit their exposure to toxic, negative people. Ultimately, you are only as successful as those you frequently associate with