First of all, let us point out that the Church tradition
prescribes certain fast only before Holy Communion and says nothing about food
restrictions after partaking of Holy Communion if it is not a Lenten day. Excesses in food such as greed
and gluttony are sins regardless of when we commit them: on the day when we
have partaken of Holy Communion or on any other day.
Secondly, “Do you not yet understand that whatever
enters the mouth goes into the stomach and is eliminated? But those things
which proceed out of the mouth come from the heart, and they defile a man” –
this is the main principle of our attitude towards food, explained to us by our Lord
Jesus Christ. Eucharist is our reunion with God, our communion with His Holy
Blood and Body, which become the sources or eternal life inside of us. We can
become unworthy of this communion not because of the food we eat after the
service but because of our attitude towards our neighbors.
Metropolitan Vladimir, the reposed Hierarch of the Ukrainian
Orthodox Church, always said: “The main thing during Lent is not to eat each
other”. Consequently, even if we abstain from food entirely on the day of Holy
Communion, but at the same time we judge someone or hurt someone, then the
participation in the sacrament of Eucharist will be with condemnation, as it is
said in one of the prayers before Holy Communion.
Source: http://pravlife.org/content/mozhno-li-vkushat-myaso-v-den-prichastiya
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