I think it could be interesting to differentiate between vagina and vulva and write this interesting article again with the differentiate vocabulary. The general confusion between these two words sums to the little knowledge of many women about their own sexual parts and to the fact that they are invisible for their eyes, therefore they may depend of the opinion of the few persons who see them, and if such a person is a boyfriend without a good knowledge of this part of the anatomy of his girlfriend, he can impact her negatively