Church identified the problem and called it "compensation" : those who exercised cancelled out the calories they had burned by eating more, generally as a form of self-reward.
Heaven reward you for your kindness and self-denial!
上天会奖赏你的善良和舍己的!
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And, knowing who you are inside — independent of the pressures to adapt to a "self" that may bring external reward but also feels alien and inauthentic.