Siblings help because they're "forced" to learn how to get along much earlier in life.

Make out a will.
based on a friend of mine who says that death is what motivates us. It's why he dated MUCH younger women. Said it "kept him young". Same kids wore me out watching and listening to them. He did finally settle down and marry a perfecly match same age woman later on.

Rob, that was my instant thought as well, re: getting along with others. But I know a number of couples who don't get along with their siblings at all, either as kids, or now, as adults. None of them get along at the same time, and some haven't communicated in decades.

Wear a tie.

Go to a physician.

Take a vacation
Clean his desktop! LOL