From ancient times the first and foremost wish of humans was to look good and be fit. Fitness can be considered in two ways one is physical and second is mental. Now both of them are interrelated to each other. When a person is fit mentally he can take care of his physique in a better manner in order to have a physical fitness, similarly when a person is physically fit he has a better resistance towards all the diseases which eventually keeps him mentally fit.

So it is well said,