Answer:
Step-by-step explanation:
1. Eat humble pie; eat crow; eat dirt - to beg for forgiveness in a very humble way.
2. Eat one's hearts out - to be dejected or unhappy
3. Eat one's words - to withdraw what you have said
4. Eat their heads off - to eat tremendous amounts of food
5. Eat out of one's hand - to give one no trouble; do whatever one wishes
6. Eat away - to nibble or gnaw at