There are a number of lessons we can learn from Megillas Esther to help us with compulsive eating and, in general, with behaviors we would like to modify. Some of these have been discussed in previous articles in this series, which are available on the Where What When website.
Feel full and complete, not lacking: Haman had only one person (Mordechai) who did not bow down to him, and it was worth nothing to him that everyone else did bow down. He could not perceive himself as “full,” only as “lacking.” He inherited this bad trait from Adam’s eating of the Tree of Knowledge. Adam (Eve is included with Adam here) could eat from any tree in the garden but one. The serpent was able to convince Eve that she was lacking something, until she could not stand it and ate. This is one interpretation of the connection of Haman to the word “hamin” (both spelled H-M-N). Haman’s essence is included in Hashem’s question to Adam, “Hamin ha’etz… did you eat from the tree?”