Practice loving people. It is true that this requires effort and continued practice, for some are not very lovable, or so it seems - with emphasis on seems. Every person has lovable qualities when you really learn to know him.
But for every hour and a half on stage, you have a five hour long bus ride, waiting for five hours at the airport, five hours of interviews. . . I know, it's part of the job, but that doesn't imply I have to like it.