The phrase "wasting on one's case" implies that someone is being overly critical or judgmental towards another person, causing them unnecessary stress or frustration. Antonyms for this phrase could include "encouraging," "supportive," "understanding," "forgiving," and "non-judgmental." When we choose to be encouraging instead of wasting on someone's case, we help them to grow and become better versions of themselves. By being supportive, we offer a safe space for them to express their feelings and explore their options. Understanding and forgiving attitudes can also help to build stronger relationships, increasing trust and mutual respect. Ultimately, choosing to be non-judgmental can lead to healthier, happier interactions with others.