In youth, we get plenty of exercise through games and running around, but as middle life approaches, we settle down, literally and figuratively.

A concave chest means that your diaphragm is sagging.

Never eat less than four hours before boxing. Then eat only lightly.

A boxer's diet should be low in fat and high in proteins and sugar. Therefore you should eat plenty of lean meat, milk, leafy vegetables, and fresh fruit and ice cream for sugar.

The greatest fighter I ever saw

I did six years of planning to win the championship from Jack Dempsey.

Fat is one of the chief enemies of the heart because it has to be plentifully supplied with blood and thus needlessly increases the pumping load that the heart must sustain.