The key isn't exercise so much as it's constant, positive activity. Exercise is one of the most reliable and fundamental forms of this, but there are plenty of

The key isn't exercise so much as it's constant, positive activity. Exercise is one of the most reliable and fundamental forms of this, but there are plenty of non-physical ways to do it, too. > And if I can, then you certainly can. Be very stingy with this platitude. It is highly audience-dependent and false for a surprisingly large number of audiences.