The Eucharist (Holy Communion) - a sacrament which gives Gods grace to help live good lives and grow closer to God.
The Mass celebrates the resurrection and reminds Catholics that there is life after death.
Catholics are in real presence of Jesus - through the bread and wine. - They Join with Jesus by receiving his body and blood - brings them closer to salvation.
Jesus commanded attendance at Mass when he said at the Last Supper, “Do this in memory of me.”