"Apart from anything else, Ledger and Gyllenhaal are expected to age, in the course of t
he film, the better part of 20 years and t
hey manage this -- in a way t
he film manages to make look
effortless -- by t
he way t
hey are weighed down by t
he constancy
of t
heir sorrows and t
heir unswerving sense of something so central to t
hem that it would be sentimental to call it happiness."