Jayson Tatum has a rule for his son Deuce on school nights.

The Boston Celtics star revealed that Deuce can't stay for every game.

What's the rule?

Tatum shared the parenting rule he and Deuce follow whenever there's school the next morning.

He admitted the conversation wasn't easy at first.

Tatum said Deuce didn't quite understand why he couldn't stay for every game.

How does it work?

Tatum lets Deuce ride with him to the games, do the shootaround, and then he'll have to leave at the second quarter.

This compromise allows Deuce to experience game day with his dad while still getting home at a reasonable hour.

Deuce's goodbye tradition

Tatum described what happens before Deuce heads home, saying Deuce will run on the court during timeout and tell him 'Bye'.

Deuce will also say 'Joe, excuse me, excuse me' to Celtics head coach Joe Mazzulla.

Tatum has found a way to include Deuce in his life without compromising his education.

The parenting story fits naturally with Tatum's latest project, promoting his new children's book 'Baby Dunks-a-Lot: The Day the Basketballs Stopped Bouncing'.

Tatum appeared on a morning show to promote the book, inspired by his experiences as an NBA superstar and a father.

The book is a heartwarming story about the importance of family and following your dreams.