They said therefore to him, "Lord, always give us this bread."

 Some saw quite clearly where Jesus was heading. It was not possible to challenge the authorities as he was doing and get away with it. He was heading for disaster and they were getting out in time. They were fair-weather followers. It has been said that the test of an army is how it fights when it is tired. Those who drifted away would have stuck by Jesus so long as his career was on the upward way, but at the first shadow of the Cross they left him. 