Dear Prudence,
I don’t have the best relationship with my ex. While we were in marriage counseling, she got pregnant and got her lover to leave his wife. She tends to treat me like an inconvenience to her Brady Bunch fantasy instead of like a co-parent. I had to go to court to keep her from unilaterally moving my daughter out of state. My daughter is turning 16 soon, and the custody agreement says that I’ll pay for her car and insurance. But now my daughter tells me that her mom has said she gets the “final say,” since it would be a “waste” to give a new car to a teenager—so my ex would drive the new car, and our daughter would drive the old station wagon. My daughter is miserable and pleaded with me not to get mad at her mom. I feel like banging my head against a wall. Counseling doesn’t work. Mediation doesn’t work. I would try to get full custody, but I travel enough for work that it wouldn’t be fair to my daughter. At this point, I am wondering if I should just pay for all my daughter’s Ubers and wait until graduation for the car. What should I do?
—Car Trouble