A habit cessation aide includes a user-modifiable quitting schedule, a user-initiated habit-occurrence indicator, a display for displaying messages dependent upon the quitting schedule and the number of times the user-initiated habit-occurrence indicator is used, and an overall visual indication of the degree to which the user is maintaining the quitting schedule based upon the quitting schedule and the number of times the user-initiated habit-occurrence indicator is used. A widely held habit is smoking, to which the illustrated embodiment is directed. As shown, the device also functions as a standard watch and includes features such as calculating and displaying items including at least time, date, and elapsed time.