“When I Was Your Man” Is A Song By American Singer-Songwriter Bruno Mars From His Second Studio Album Unorthodox Jukebox. The Song Was Written By Mars Philip Lawrence Ari Levine And Andrew Wyatt While Production Was Handled By The Smeezingtons. It Was Released As The Third Promotional Single Taken From The Album And As The Second Official Single. “When I Was Your Man” Is A Soulful Piano Ballad About A Pre-Fame Heartbreak As He Regrets A Girl That He Let Get Away Expressing His Earnest Hope That Her New Man Is Giving Her All The Love And Attention He Was Unwilling Or Unable To Provide When They Were Together. It Received Positive Reviews From Music Critics Who Praised Mars' Vocals And Named It A “vulnerable And Emotional Ballad”. Bruno Mars Himself Said On Many Occasions That “When I Was Your Man” Is His Most Difficult Song To Perform Mainly Because Of The Lyrics And Meaning.