When you keep the muscles active, they reward you by keeping you independent longer.

It may, in fact, be a whole constellation of things that helps.

One of the issues nowadays is that if people don't work out into old age, there can be deterioration of muscles. Besides the decline in muscle mass, there are also problems with balance, which we addressed as well with coordination tasks, so yeah, it's this universal benefit.

It takes time to succeed because success is merely the natural reward of taking time to do anything well.

The way he's done his job is very good. This is the reward for that and I'm delighted he's signed.

We shouldn't have had to go five times to the well, but we got our reward in the end.