If you are single, divorced, heartbroken, or just dealing with a horror ex; Valentine’s Day can be a bit of a flop.

But one viral post about a man’s love for his ex-wife on her birthday has reminded us all that a ‘relationship’ can continue on well after the romance ends.

The post, credited to American dad-of-two Billy Flynn, describes spoiling his ex-wife on her birthday.

“It’s my ex-wife’s birthday today, so I got up early and brought flowers and cards and a gift over for the kids to give her and helped them make her breakfast,” he writes.

“Per usual someone asked me why the hell I still do things for her all the time. This annoys me. So ima break it down for you all.”

Flynn then goes on to explain that his actions weren’t a romantic gesture towards his ex-wife, but to set an example for his two young sons.

“I’m raising two little men,” he says.

“The example I set for how I treat their mom is going to significantly shape how th

Cripes, what a DUDE.

ICYMI: Is parenthood bad for creativity? Post continues after video…

Mr Flynn, we reckon you might have pipped Gwyneth Paltrow and Chris Martin at the post for ‘classiest divorce’.

It’s a refreshing change from the traditional narrative of divorce being a breakdown of love and respect between people, even when they are parents.

The responses from fellow Facebook users was massive: the post has been shared over 342,000 times, and has 9,600+ comments.

“I hated my ex but when our boys were little they had no idea,” wrote one woman.

“We kept it friendly – as the boys got older they formed their own opinion based on their father’s actions/inactions. They are good men and treat women well and I am proud as hell of them!”

Divorce does not have to spell unhappiness and fracture for your family. (Image: iStock)

"Wow. That is really big of you and I mean that in all sincerity," wrote another woman.

"If more divorced people could get along like you and your former spouse, I think we'd have fewer messed up kids!"

The concept of maintaining a peaceful, respectful, and yes - even loving - relationship with his ex-wife is one that clearly has resonated with many people.

Flynn ended his post with a beautiful reminder for all parents:

via GIPHY