The phrase "makes bed and lie on it" is often used to indicate that one must take responsibility for their actions. Some possible synonyms for this phrase include "reap what you sow," "deal with the consequences," "face the music," or "own up to your choices." These expressions all convey the idea that one cannot avoid the outcomes of their decisions, and must be prepared to take responsibility for them. Whether it's acknowledging a mistake, facing a difficult situation, or accepting the consequences of one's actions, these synonyms all emphasize the importance of being accountable for one's choices and actions.