Why are boys' hands so hard?

First, men like to drink and smoke. These are hot and dry things, which will consume a lot of water in the body, while men don't like drinking water, which will lead to reduced water in the body and dry skin. Women are different. Women like to drink water and eat fruit often, which not only increases the water in the body but also supplements the nutrition, making the skin more elastic. Second, men like strenuous exercise and high-intensity physical labor, so they will sweat a lot. However, if you don't replenish water or drink too much water in time, the elastic pores will change plastically, resulting in large pores, which will sting your hands with your hands. This is the reason for rough skin. Coupled with strong sun exposure, white and tender skin will become darker and darker under long-term strong sun exposure. Women, on the other hand, put on skin cream and sunscreen every day, seldom exercise, and stay in the boudoir all day. Why didn't you say it was white and tender? Third, men often overeat, resulting in damage to internal organs, health, indigestion, malnutrition and lifeless skin. Men often use rhetoric to cover up their bad habits: "Men eat like tigers and women eat like mice." Women are the opposite.