Psalms 32:3-4

Psalms 32:3-4. When I kept silence, my bones waxed old through my roaring all the day long. For day and night thy hand was heavy upon me: my moisture is turned into the drought of summer. Selah.

As if he was parched and scorched with inward grief. The agony of his soul kept him from sleeping, prevented him from taking his necessary food, and made him seem like a prematurely old man.