By nominating Chuck Hagel to be his Defense secretary President Obama is putting forward an aloof contrarian who doesn't suffer fools - a striving politician who considers himself above politics.
If I don't feel confident about my body I'm not going to sit at home and feel sorry for myself and not do something about it. It's all about taking action and not being lazy. So you do the work whether it's fitness or whatever. It's about getting up motivating yourself and just doing it.