Custody schedules are the holy grail of co-parenting. When they work, they provide stability. When they fail, they turn into a logistical nightmare that can ruin holidays and relationships.
One father recently found himself in a high-stakes game of “fool me once” with his ex. After being burned on a holiday swap last year, he decided to hold the line this Christmas, even when her new boyfriend called to beg for a special favor.
Now, read the full story:









![Dad Refuses To Give Ex Extra Custody For Her Proposal Trip After She "Scammed" Him Last Year before you get any extra time so you can't f__[mess]__ me over again. One of those weeks can be the week of Thanksgiving when you have him.](https://dailyhighlight.com/wp-content/uploads/2025/11/wp-editor-1763652771241-8.webp)




![Dad Refuses To Give Ex Extra Custody For Her Proposal Trip After She "Scammed" Him Last Year I told him my custody arrangement was NONE of his business and I don't have to explain s__[tuff]__ to him.](https://dailyhighlight.com/wp-content/uploads/2025/11/wp-editor-1763652779192-13.webp)

![Dad Refuses To Give Ex Extra Custody For Her Proposal Trip After She "Scammed" Him Last Year Now he's trying to walk back everything he said because he knows he seriously f__[messed]__ up by inserting himself into this matter.](https://dailyhighlight.com/wp-content/uploads/2025/11/wp-editor-1763652781542-15.webp)

The High Cost of Informal Swaps
This story is a textbook example of why “handshake agreements” in custody cases often end in disaster. The OP (Original Poster) tried to be flexible and generous, a trait usually praised in co-parenting, but he got burned. His reaction isn’t just about being petty; it is about re-establishing a boundary that was trampled.
The boyfriend’s involvement adds a chaotic layer to an already tense situation. In family law, the introduction of a new partner often complicates existing dynamics, especially when they try to “fix” issues they don’t fully understand. By stepping in to negotiate custody, the boyfriend didn’t just overstep; he turned a private parental dispute into a three-ring circus.
The “Holiday Custody War” Phenomenon
If you feel like holiday custody battles are becoming more common, you aren’t wrong. A survey by Stewarts Law revealed that 39% of separated parents worry about having a say in holiday arrangements, and 21% are unable to agree at all.
The core issue here is the risk of informal agreements. When parents swap days without a court order modification, they are operating on an honor system. If one parent defects, like the OP’s ex did, there is often no immediate legal recourse.
Legal experts warn against this exact scenario. According to Ansham White Solicitors, informal agreements “do not carry any legal weight.”
“If one parent fails to comply… there is no simple recourse to enforce the terms of the agreement. This lack of legal enforcement can lead to misunderstandings, disputes, and instability.” — Ansham White Solicitors
The OP’s demand for “time up front” was a smart, protective move. He essentially tried to collateralize the agreement to prevent another default. When that was refused, he realized the only safe move was to stick to the original court order.
Check out how the community responded:
Redditors were nearly unanimous: the boyfriend had absolutely no business calling the OP.
![Dad Refuses To Give Ex Extra Custody For Her Proposal Trip After She "Scammed" Him Last Year [Reddit User] - NTA Her BF has f'd up big style by sticking his beak in. If she refuses to give you the time back](https://dailyhighlight.com/wp-content/uploads/2025/11/wp-editor-1763652531239-1.webp)








Several users advised the OP to stop talking on the phone and start writing things down.
![Dad Refuses To Give Ex Extra Custody For Her Proposal Trip After She "Scammed" Him Last Year [Reddit User] - NTA. Also, start and maintain a record of when your son is where, just in case. Keep all texts/emails.](https://dailyhighlight.com/wp-content/uploads/2025/11/wp-editor-1763652483106-1.webp)





How to Navigate a Situation Like This
If you are in a co-parenting arrangement, live by the court order. It exists to prevent exactly this kind of emotional bargaining. If you do decide to swap days, do not rely on a handshake. Use a co-parenting app (like OurFamilyWizard or TalkingParents) or email to document the agreement clearly: “I am giving you X dates in exchange for Y dates.”
If a third party (like a new boyfriend or step-parent) tries to intervene, shut it down immediately and politely. A simple “I discuss custody matters only with my child’s mother/father” is a complete sentence.
Finally, remember that flexibility is a privilege, not a right. If your co-parent has burned you in the past, you are under no moral obligation to set yourself on fire to keep them warm.
So, the consensus seems to be that the OP is NTA for holding his ground.
What do you think? Was “FAFO” too harsh for a boyfriend who was just trying to help, or was it the perfect boundary check?








