“Fix” can mean to repair something or to be stuck in place. Trying to fix people often does the second.

Treating a person as a problem to solve tends to freeze them in whatever version of themselves you diagnosed. They can feel it, and the first thing they do is defend the very habit you were hoping to change. People move when they feel understood, not when they feel managed. Advice given from above lands as a verdict even when it is accurate.

With the friend you keep correcting, swap your advice for a question this week. Ask what they are hoping will happen rather than telling them what you would do, then let the silence do some of the work.