When I look, I see that the enemy encampment has started moving.
They dragged themselves along and moved towards us, slowly leaving a trail behind them.
Well, anyway.
They probably carefully held a strategy meeting and then came after forming a variety of plans.
Pulling back would use up food and supplies and could also harm the morale of the troops.
It may not be necessary to withdraw just because you were shamed in the opening maneuvers.