Intervention Procedures - The Positive Piggy Bank. Participants randomized to this group will first get an overview of the intervention, learn about the rationale for this treatment, and receive supplies including the instructions on a decorative card, a piggy bank, and paper currency slips (pieces of lined paper with a place for the date). Participants in this group will be instructed to do the activities as detailed above in the Positive Piggy Bank instructions daily until the evening before surgery (approximately 21 days). On the evening before surgery, they are to "close their account" by opening the piggy bank and reviewing all of the slips of paper.