In the title of a John Osborne play, it's what you "Look Back in"
[DOC] [TLE] Look Back in Anger Reviews & Ratings - IMDb [PAR] And then there's the great Edith Evans in a small role; but then you know what ... "
Look Back In Anger" is a mostly good reproduction of John Osborne's stage play 
... What was shocking about the play was its social setting and the attitudes ... 
Jimmy is, to borrow the title of a famous film of the period, a rebel without a cause.