Likely, someone has told you to mind your own business at some point. You may feel you are rightfully doing so or faced with a reality check. In either case, take some time to assess whether the business you are tending to should be a priority for you. Contemplate your options moving forward. Have you digressed from personal tasks or goals? Is this a necessary role? Can someone else take on the role you are playing? Are your personal goals aligned with this role? At what cost will this be to you? Can you manage this in addition to what you have going on? Once you've evaluated these questions, the process of deciphering whether or not you're minding your business is simplified.
In order to avoid the offensive feelings that may accompany being told to mind your business, you should investigate the reality of such a statement on your own. Regardless of whom is delivering the message, the inducement of such an assessment is purposeful.