When economist John Maynard Keynes wrote, “the difficulty lies not so much in developing new ideas as in escaping from old ones,”  he was referring to ideas, but the same applies to people: leaving certain people is the hardest part. But leave we must.  When we want our life to be better, one of the first steps is to get rid of the jerks. Jerks are those people who regularly waste your time, the ones who don’t value you, the…