You say yes because the request is reasonable, the person matters, or refusing would be uncomfortable. Then the resentment begins. Something else receives less time, your own plans disappear, and the agreement costs far more than the activity itself. The Cost of a Yes You Don't Mean reveals the hidden exchange inside every commitment: accepting one demand always reduces what remains for something else. William R. Stanek helps you examine a request before guilt, habit, or fear answers on your behalf. You will learn to identify what the agreement will displace, distinguish generosity from overextension, and consider responses beyond a simple yes or no. A more honest answer may still disappoint someone. It may also prevent a reasonable request from becoming an obligation you privately resent and cannot sustainably fulfill.