On a scale of 0-100, with 0 being no pain and 100 being the worst pain imaginable, what is the average level of pain when at rest in the past 24 hours? On a scale of 0-100, with 0 being no pain and 100 being the worst pain imaginable, what was the lowest level of pain when at rest in the past 24 hours? On a scale of 0-100, with 0 being no pain and 100 being the worst pain imaginable, what was the highest level of pain when at rest in the past 24 hours? What pain medications are the patient taking including the strength (in milligrams), and how many total doses have you taken since your surgery? Time of last opioid medication taken? Relief from starting pain is: 0 = none, 1= a little, 2 = some, 3 = a lot, 4 = complete Subjects will be reminded to complete their Medication and Pain Level Diary. (research-driven)