Pursuing fashion and health. Fitness training has become a lifestyle and fashion pursuit. Many boys exercise out of the pursuit of a healthy life and want to have a strong body.

Improve self-confidence. Having a strong posture can significantly improve the self-confidence of boys and let them feel the display of strength and charm. This is also the motivation for many boys to be keen on fitness.

Seek the appreciation of the opposite sex. Many boys hope to get a symmetrical and strong figure through fitness exercise, so as to gain the love and appreciation of the opposite sex. Moderate size can increase male charm, which is also the purpose of many boys' fitness.

Social pressure. Modern society advocates personal image, and men's figure and appearance are paid more and more attention. Many boys will feel the pressure from the same sex or the opposite sex and force themselves to shape their bodies through fitness exercises to adapt to social aesthetics.

Entertainment pursuit. For many boys, fitness exercise is also a way of life and entertainment. Exercising a symmetrical figure and muscles can bring a sense of accomplishment and joy, and also make fitness activities full of fun.

To sum up, the main reasons why boys are keen on fitness are: pursuing health and fashion, enhancing self-confidence, striving for appreciation of the opposite sex, social pressure and personal entertainment pursuit. Under the comprehensive effect of these factors, fitness exercise and strong body shape have become the habitual lifestyle and aesthetic tendency of many young boys. This has also boosted the vigorous development of the fitness industry. Therefore, the trend of fitness craze and boy training will continue to exist and rise widely, becoming an obvious social phenomenon and trend at present.