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在性爱中,我勃起功能很好,但一带安全套,就会变软,这是怎么回事?这种情况在医学上称为阴茎勃起维持困难。中青年人出现这一现象大多属于心理原因,可能是担心自己表现不好,因此出现了勃起维持困难,而一次表现不好就会加
In sex, my erection function is very good, but the condom around, it will become soft, what is going on? This situation is medically called penile erection remains difficult. Most of young people appear this phenomenon are psychological reasons, may be worried about their poor performance, so there erection maintained difficulties, and a poor performance will increase