The word "ex acts" does not have any antonyms as it is not a recognized English term. However, if we consider the word "ex" to mean a former partner or spouse, and "acts" to mean behavior or actions, then some possible antonyms for "ex acts" could be positive terms like "kindness," "generosity," "compassion," "forgiveness," or "understanding." These words describe behaviors and attitudes that promote healthy relationships and positive interactions between people, rather than negative, hurtful, or harmful behavior. It is important to cultivate these qualities in ourselves and towards others, even if we have had negative experiences in the past.