Girlfriend 18 years old. Why is her house dark?

There are many reasons for the darkness below, which may be genetic problems, living habits, frequent sexual behavior and so on.

1, some families below are black, which can't be passed down in the family. If there are many hairs below, the melanin in the hair will affect the pigmentation of the surrounding skin to some extent, and it is related to living habits.

2, living habits, because the following is the place where stolen goods are excreted. If you have bad living habits, don't wash and change underwear often. Moisture and dirt can lead to qualitative change of skin and deposition of melanin, resulting in darkness below. There are also some other living habits, such as riding a bicycle too much, which also has a certain influence. Sitting in front too far all the time will also cause poor blood circulation and air tightness, leading to self-regulation of the skin and cleaning of metabolites.

3, and diet problems also have an impact.

3, long-term sexual life is too frequent, or frequent masturbation, consciously pinching the legs and squeezing the genitals. , leading to long-term congestion of the labia, resulting in pigmentation and blackening of the labia.

Therefore, the problem of blackening is caused by many factors, depending on reality.

If your girlfriend is a conservative and she is a good friend, then don't think too much and don't get in your way.