'Weary' in the Bible

The king asked Ziba, "What are those for?" Ziba replied, "The donkeys are for the king's household to ride, the bread and summer fruit are for your young men to eat, and the wine is for whoever wants to drink if they get weary in the wilderness."

Afterwards, war broke out between the Philistines and Israel, so David went down to fight the Philistines. David became weary,