“This is my dear Dad this morning headed in for surgery.

“It’s been a lifetime of exploring what it means to be responsible for each other.

Accountable to each other.

Pink smiling at camera

Not perfect, ever.

Just curious, and forgiving,” Pink said in the documentary.

Contrarily, Pink’s relationship with her father was strong up until his death.

Pink and her father, Jim Moore, smiling at an awards show

According toPage Six, Moore first wrote the song decades ago while he was serving in Vietnam.

“He has been my person all of my life.

He has taken on the world for and with me, no questions asked.

He made me feel important.

He made me think I was worth loving,” Pink wrote.

And now, I wish I lived next door …

I don’t believe in regrets, but I do believe in growth and change.

And I miss my dad,” Pink wrote.