The phrase "brake in on" typically refers to interrupting or disturbing something or someone. Some possible antonyms or opposites of this phrase could include respecting boundaries, observing privacy or personal space, allowing others to finish speaking or working, being patient and considerate, or recognizing the importance of uninterrupted work or leisure time. It is important to be mindful of how our actions and words may affect others, and to seek consent or permission before interrupting or imposing ourselves on others. By practicing empathy, self-awareness, and respectful communication, we can build stronger relationships and foster a more positive and harmonious social environment.