Would a 21 year old DiCaprio have done this justice?
I was thinking how this movie could have been a great vehicle for a young man struggling to fit into the adult world.
Then I pictured a young DiCaprio, as he looked in Romeo and Juliet, playing Arthur.
A young Arthur would add a new element to him stalking the neighbour, given his inexperience with girls.
Plus it would explain why the fellow clown takes him under his wing.
Plus the age difference between Arthur and Bruce only being 10 years would fit better.