War Horse

Literally:

The number of wounded becomes heavier... it literally increases.

The field dressing station behind the front line was crowded with wounded and we had to bring back a heavier load than we ever had before, but fortunately the way back was mostly downhill.

Figuratively:

. ‘He’s dead,’ Friedrich said quietly, and then more angrily, ‘For God’s sake, he’s dead.’ His face was heavy with sadness.