Let's see if my body is normal and healthy.

The weight standard is: height minus 105, for example, your height is 164. Then 164- 105=59KG. Compared with your 46 kilograms, you are thin. Considering that he is 14 years old and a junior high school student, it can be said that it is normal. A little bend in the back means calcium deficiency. Make up for it Drinking bone soup is the most useful. As the saying goes, 23, one psychic. You are now 164CM, and boys can generally grow to more than 170 when they are 20 years old. As for JJ, you can ignore it. A woman's vagina can be changed as long as it is not deformed and its length is unchanged. . Children should masturbate enough, once a week can reduce stress and do more harm to the body. Boys generally develop after 15 years old. Don't rule out the early development, so don't worry. You have basically answered all the above questions. As you are a minor, I don't want to elaborate on many questions. I just want to say that you are healthy. I wish you a smooth study and good health.