Hawkins onscreen concludes his business and leaves, taking the gun with him.

The Joker rubs the underside of his jaw, and retrieves his blanket (but not his clothes), and licks his lips (slower than usual, more like he's tasting them), and snuggles down in bed.

After half a minute, his shoulders start to shake. He ducks his face down, pressing it against the mattress; when he brings a hand up to wipe his eyes, his fingers are wet in the second before he tucks them back under the blanket.