Traditional Culture Encyclopedia - Weather inquiry - It's almost 18, and my brother is only 4CM. When the weather is cold. What should I do if I can't even see the glans when I shrink?

It's almost 18, and my brother is only 4CM. When the weather is cold. What should I do if I can't even see the glans when I shrink?

Disease analysis:

Hello, it depends on the size after erection. If it is 4 cm after erection, it is necessary to check the secretion of sex hormones.

Guiding opinions:

If it is not less than 8 cm after erection, then there is generally no problem.