They know
Your customer knows when you don't have their best interest at heart. Your kids know when you are bullshitting them. Your client knows when you are not giving your best effort. Your spouse knows when your mind is somewhere else. Your boss knows when they don't have all of your attention. Your team knows when you are less than fully engaged. Your friends know when they are no longer your top priority. Your pastor knows when you are just going through the motions. You know when you aren't getting it done. And they know too.
When you gonna stop living a divided, unfocused life? When are you going to start focusing on now, and doing it right? When?