"This sort of talk is hard to endure! How can anyone take it seriously?" From this time on, many of His disciples broke away and would not remain in His company any longer.
"At this the Jews quarreled among themselves, saying "How can he give us his flesh to eat?"
Are you absolutely sure that it is only a rememberance? If you read these words it sure seems that Jesus' disciples thought that He really wanted them to eat His flesh.
When you read what the fathers of the Church wrote, the direct disciples and followers of the Apostles themselves, they also believed that Jesus' flesh was 'food indeed' and His Blood 'real drink.'
This quote shows that the Jews had NO clue as to what Jesus was trying to say.. what He was advocating
IF it were not spiritual but physical would be against scripture.. do you not recall what scripture says about the drinking of blood?
God never changes nor does He contradict His own word.