Casual sex that holds you over between long-term partners.

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Sexual intercourse initiated by the male partner of a long term live-in relationship primarily for the relief of his sexual tension and usually occuring at the same time and place every week. If foreplay is included, it is uninspired and routine in nature. If anything other than missionary position is used, you are NOT having maintenance sex!

Maintenance sex is associated with an increase in UTIs in women (due primarily to the lack of lubrication) and with other relationship problems such as extramarital affairs and divorce. Interestingly extramarital affairs and divorce are also effective cures for maintenance sex.