But some noted that the relationship should be 50-50, both parties are equally responsible. Couples handle it in different ways. Some people deal with outside relationships by having rules, such as, the bed is for the couple only. Others are monogamous. Keeping variety in a relationship is essential.
Familiarity destroys fantasy and mystery, so people have to work at making things interesting.
A key component for Masters and slaves, as there would be a tendency toward dependence. Validation is key. People need to validate each other constantly, by acknowledging each other, in their roles, in some way, complimenting, reacting to a move. The successful relationships seem to do that. Attitude keeps it hot.