Who's to say you aren't the weird one barging into the daily lives of normal and we'll adjusted people? Do you not understand how difficult it is to knot rope in such a way that it is both physically restraining and sexually pleasant, to the point where mastery requires regular practice? It's no different from brushing your teeth. If you want it done clean, you need to do it everyday. Brush your teeth. Knot your ropes. Toast your bagel, buttcheek.