If you hope to eliminate meat or gluten during retirement, get ready now so you can focus other things instead of constantly hoping for the motivation to exercise, or the inspiration to prepare healthy meals.

FORBES: Five Things To Do Before You Retire

In between fighting, the wrestlers practise an exercise known as bukari-geiko, in which one wrestler throws himself at his ready companion and drives him from one side of the ring to the other, completing the exercise only when the inactive rikishi has been driven out of the dohyo.

BBC: The life of a sumo wrestler