"Rehab" Is A Song About Refusing To Go To Rehab Despite Pressure From Family Friends And Doctors. The Narrator Describes Her Struggles With Addiction And Her Choice To Fight It Outside Of A Clinical Setting. She Expresses Her Strong Will And Determination To Quit Drinking Even If It Means She "will Have Everyone Think She's On The Mend". Finally She Is Adamant About Her Choice To Take A Non-Traditional Approach To Recovery And "won't Go Go Go" To Rehab.