Jana and Kevin have been at war since they divorced three years ago – and their four children are often caught in the middle of their crossfire. Their oldest son, 19-year-old Tim, says he’s worried about his younger siblings’ well-being.

TELL DR. PHIL YOUR STORY: Explosive family drama?

“She gets so distracted by the fight between my dad, that she just forgets about me and my siblings,” Tim claims, referring to his mother.

WATCH: Man Says Ex-Wife Is ‘Causing Chaos’ Because She Wants Revenge

After Dr. Phil reveals some of what Tim and Kevin call Jana’s questionable behavior and Jana tries to defend it, Tim says, “I felt bad coming here, talking out or saying these things are bad with my mom. I’m beginning to not feel that bad anymore because I just want to tell you that she is lying a lot.”

Watch more in the video above. This episode airs Tuesday. Check here to see where you can tune in.

TELL DR. PHIL YOUR STORY: Is Dr. Phil your only hope?

Anthony Scaramucci Reveals Parenting Wake-Up Call His Son Gave Him