| http://www.w3.org/ns/prov#value | - Masturbation can also be particularly useful in relationships where one partner wants more sex than the other ??? in which case masturbation provides a balancing effect and thus a more harmonious relationship.Mutual masturbation, the act by which two or more partners stimulate themselves in the presence of each other, allows a couple to reveal the map to [their] pleasure centers".
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