Dream about eating rotten food is a metaphor for your need for more leisurely pursuits. You are trying to influence the opinions and views of others. Perhaps you need to cut-back on spending, smoking, eating, gambling or some other habit. This is a signal for sadness, gloom and ill health. Your passion can destroy you if not kept in check.
Eating rotten food dream is a symbol for an internal conflict. You feel others are not supportive of the relationship. Your thinking/judgment is unclear and clouded. Your dream is a hint for your helplessness and your fears of letting others become aware of your vulnerabilities and incompetence. You have been misbehaving and have been caught in the act.
If you dreamt about eating rotten food:
You perhaps realized a while back that it is time to move on as far as a current relationship is concerned, because the spark may be missing and you seem to have very little in common right now. However, this is as good a time as any to begin.