The next researches of English scientists showed that the most part of young men prefer sex with harmonous ladies only because of evolution.
In the course of own research scientists of Institute of the Western Scotland made special questionnaires "An index of an erection and sexy function". After participants of research filled the questionnaires, having analysed them, scientists drew a conclusion that men least suffer from troubles with sexy health if their invariable partners looking younger them and have a harmonous waist. The it is less than a cm on a waist of the lady, the more man is satisfied.
The explanation to it appeared rather ordinary. Scientists say that at young men at level of subconsciousness experience was postponed that the lady with a charming and slim figure is not sick and is more applicable for a reproduction.