Who said "I'm grateful for every breath."?

This quote is attributed to Iron Man.

I'm grateful for every breath. - Iron Man

"I'm grateful for every breath."

Iron Man Gratitude

"I am Iron Man."

"Genius, billionaire, playboy, philanthropist."

"I'm not the one who should be worried."

"This is the most important thing I've ever done."

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"