"Never enough time, never enough."
Their race against the time starts with Aguirre tossing Ennis the watch. They try to ignore the running time (hiding the watch in the pocket), they may forget about it respectively be oblivious to it, they don't see it (it's hidden) - but it's still always there, from beginning on.
Time is short for our boys. The first snow comes early, their time on the mountain is cut short.
Time is always too short, goes by always too fast on the few stolen days they have together.
In the end, time runs out for Jack and thus for their relationship.
