The fitness industry understands only too well that many people will register for programs may be attend a few practices, then drop-out, or some cases simply not show up.  The best of intentions require a long commitment to see the goal fulfilled. For some organizations, their goal is to sell lengthy membership terms – often well in excess of their capacity if all members attended at the same time – in order to maximize profits.  Such business models rely on the fluctuating motivations of their members. Some fitness clubs / groups sports, especially those that have a fitness or weight loss focus, will expect a lack of exercise adherence from many of their participants, and a few – unethically – will not do much about it.