People who cut off others because they are successful clearly have something seriously wrong with them. Either they are jealous because they don't have the talent or drive to make something of themselves, or can't bear it if they perceive that others are doing as well or better than they are. Years ago we knew a couple who seemed eager to be friendly. However, although the husband was easy to get along with, his wife was eaten up with jealousy about everything that others had, and was desperate to find out how much had been paid for houses, cars, what other people's salaries were, and it was so wearing. They had a decent lifestyle, their own house and holidays each year, but we came to the conclusion that her life was driven by feeling that it was not enough to succeed, others must fail, and so did the friendship eventually.