What is she knows by j cole about?

"She Knows" is a song by rapper J. Cole, released in 2013 as the second single from his second studio album "Born Sinner". The song features vocals from singer Amber Coffman and is produced by J. Cole himself along with DJ Dummy.

The song tells the story of a man who becomes involved with a sexually promiscuous woman, who turns out to be the daughter of his father's mistress. J. Cole discusses the emotional turmoil that he experiences as he tries to navigate his feelings for her, while also grappling with the shame and secrecy surrounding their relationship.

"She Knows" received critical acclaim for its introspective lyrics and smooth, melodic sound. It peaked at number 19 on the Billboard Hot 100 chart and helped to solidify J. Cole's reputation as a thoughtful and introspective rapper.