"You could be so hurt or angry at your ex, but ... in front of the kids, it always has to be ‘Your dad’s the best.' Make sure you are your co-parent’s biggest cheerleader, no matter what you’re personally going through," Kim said at the start of January.
Ellie Woodward is a deputy news director for BuzzFeed and is based in London.
Contact Ellie Woodward at email@example.com.
Got a confidential tip? 👉 Submit it here