The commandment was to be maintained. Temptation calls for a decision to be made. There are only two ways to go. Our daily decisions, when made for self, de-throne the glory of Christ. The fall, death.
Every decision brings results.
The eyes of both were opened because the whole body had sinned. Another crisis was self-justification. The whole world was cursed from the sin of man. The fall was the grounds of Christ's redemption. Self-justification will last among men.