“Unless you eat of the flesh of the Son of Man and drink of his blood, you have no life in you … Whoever drinks of my blood and eats of my flesh remains in me and I am in them … the one who feeds on me will live because of me. This is the bread that came from heaven. Your ancestors ate manna in the desert and died, but whoever feeds on this bread will live forever.”
This teaching was so hard that many people stopped following Him because of it. Afterwards, He turned to the the disciples and asked if they were going to leave Him, too.
This teaching is just as true today as if was then.
Pope Francis led the Corpus Christi procession on foot this week. Remember, he is 77 years old. Here is a video of the procession with a summary of his homily.