If I can't expect someone to be accountable off the floor, how can I expect them to guard a pick and roll? Or get a rebound?

False Hustle = cheap fouls, lunging, reaching, etc.

As players see themselves getting better through skill sessions, they will want to get in the gym more

Systems win! Believe in your system, and then sell it to your players.

You can do one of two things: You can humble yourself or life will humble you. I think it's a lot easier to find a way to humble yourself.

If I can't expect someone to be accountable off the floor, how can I expect them to guard a pick and roll? Or get a rebound?

If you don't feel you have something to prove every day, you'll never improve