desire discrepancy
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desire discrepancy | When two people in a relationship, and one of them has a greater, or lower sexual desire for the other person.
Meaning
This is used to denote a situation, where a couple have a sexual relationship, as well as romantic, in which one of the two has a much greater desire for that sexual portion of their relationship, than the other.
Also applies for a lower desire for sexual inter action between the two.