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Just my theory, but basically I believe that this game was a metaphor for toxic friendships. Notice how one of the lines that June says at the end is "I just want my friends back". I mention this because throughout the game, a theme seems to be how her friends all resent her or want space in some way. I don't know about the eating exactly, I think that's just a sign of stress (The stress of getting annoyed by June). At first June's bubbly personality was welcomed, but then gradually became something that would be pushed aside and got her yelled at. She could choose to let her friends 'go' in a metaphorical sense, or let them weigh and pull her down into feeling like a burden in a toxic friendship. That is just my guess though.