 some wear in certain areas, sometimes staying active kind of keeps that joint a little healthier. Do the best you can to find something. Every body's body is different, so the more you use your muscles, the more you can slow the decline of weakness, the more you can keep your body stronger longer, keep your bones stronger, all those things that we're looking to avoid, sort of wear and tear issues that we have down the road, trying to slow that as much as possible.