Sex bracket
the numerical category of sexual partners one has had, which usually coincides with the peace of mind one feels in fucking someone of a similar level of sluttiness.
Complimentary to the monetary system, If one finds ones self in a sexual relationship with a partner in a significantly lower 'sex bracket', one may be taxed emotionally by guilt and resentment. This will not usually be enough to end said relationship it will ultimately result in a slow degradation of its quality and usually drag out into a year of misery.