"Please Don't Leave Me" Is A Song From American Pop Rock Singer P!nk And The Third Single Taken From Her Fifth Studio Album Funhouse. It Was Released On January 31 2009. Co-Written By Pink And Max Martin The Song Is A Mid-Tempo Track That Details A Love-Hate Relationship. P!nk Sings Of Someone Having A Bad Effect On Her Yet Not Being Able To Let Go Of The Person.