Exercise is done against one's wishes and maintained only because the alternative is worse.

Summary

This quote implies that exercise is often seen as a burdensome activity that people engage in reluctantly. Despite its challenging nature and the discomfort it may bring, people continue to exercise because they perceive the alternative of not exercising to be even worse. In other words, the quote suggests that people exercise not because they enjoy it, but because they believe it is necessary for their physical well-being or to avoid potential negative consequences such as poor health.