Despite a shapeless green cardigan and black sweatpants, Mr. Gyllenhaal is unconvincing as a zhlub.
he mines surprisingly genuine humor, and eventually pathos, by focusing on Abe’s avoidance rather than expression of pain. Unable to communicate real feelings directly — he keeps telling us what he should have said as if that counted — he’s like a mouse in a maze of emotions, banging into walls and instantly changing course.