The antonyms for the phrase "more embittering" could be "soothing", "nurturing", "comforting", "rewarding", "enriching", or "encouraging". These words convey positive emotions and experiences that can counterbalance the negativity associated with bitterness. While bitterness may arise from disappointment, betrayal or unfair treatment, the opposite emotions can result from receiving love, kindness, and validation. So, if you find yourself feeling embittered, seeking out activities or people who bring joy and meaning to your life can help counteract those negative emotions. Remember, bitterness is a temporary feeling, and there are ways to move past it and find joy again.