Imdb De Nyle A Movie In Which Leonardo Di Caprio Is A Kid And Kissing Passionately A Women Quite Older Than Her Age ?

A movie in which Leonardo Di Caprio is a kid and kissing passionately a women quite older than her age ? - imdb de nyle

I thought that was the film "This Boy's Life" with Robert De Niro, but I found nothing in IMDB and Wikipedia about this scene ... Has anyone seen a movie with such a scene?