Happy co-parenting? Not quite!

In a sneak peek clip for Teen Mom 2, Kailyn Lowry and her ex-husband, Javi Marroquin, met up for lunch to further discuss custody of their one son, Lincoln. The two eventually agreed to 50/50 custody, but the holidays were still a problem.

Kailyn didn’t agree to their plans to split their time with the 3-year-old for holidays since she also has another son, Isaac, with her ex, Jo Rivera. “He should be doing the same thing every year for Christmas,” she fired at him. She further explained that possibly the two should start their own traditions together, which was quickly shot down by Javi.

“I don’t think that’s going to happen because once you get a boyfriend,” Javi began to explain. “You got to think long term, you can’t just think about this first Christmas, how long is that going to last?” She fired back, “Um, my kids come first!”

Watch the clip above to see more of their explosive fight! Teen Mom 2 airs Mondays at 9pm ET only on MTV!

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