我今年刚37岁,性生活开始有些力不从心,有时候连晨勃也没有了,请问晨勃能否成为男人自我判断性能力的重要标准?晨勃是指男性在清晨4～7点,阴茎在无意识状态下,不受情景、动作、思维的控制而产生的自然勃起。目 I am just 37 years old this year, some start of the sexual life, and sometimes even the morning did not, may I ask whether the early morning Bo Bo Men's self-judgment of an important standard of capacity? Chen Bo is the male 4 to 7 in the morning, the penis in the Unconscious state, from the scenes, movements, thinking of natural erection arising. Head