So I Have A Bump On My Left But Cheek And It Hurts Not To Bad Jus Really Sore. I Dont Know If I Should Be Worried About It Or What. I Was Told It Is Scar Tissue. This Happen Because I Was Only Doing It On My Left And Right Cheeks. Not Switching It To My Arms. I Cant See It I Can Only Feel It So Should I Be Worried About This I Fell Ok Its Just Thu Bump I Feel Bcause U Cant See It