It’s been long-rumored that actor Dave Coulier was the inspiration behind Alanis Morissette’s hit break-up song “You Oughta Know.” Coulier talks about the first time he heard the song on “Jim Norton and Sam Roberts.”It’s been long-rumored that actor Dave Coulier was the inspiration behind Alanis Morissette’s hit break-up song “You Oughta Know.” Coulier talks about the first time he heard the song on “Jim Norton and Sam Roberts.”