If you want it more than the person you are coaching, that’s a problem. It’s a problem because they can’t see what you can see, and no matter how hard you try, that won’t change. What is likely to change is the relationship.
Frustration, disappointment, and resistance all fuel the fire.
Consider youth sports; Long-Term Athletic Development developed by adults for children.
If you want it more than the person you are coaching, that says more about you than it does about them.