Who said "I'm grateful for every day we get to spend together."?

This quote is attributed to Billy.

I'm grateful for every day we get to spend together. - Billy

"I'm grateful for every day we get to spend together."

Billy Gratitude

"I'm a big fan of science!"

"Mandy, wouldn't it be great if we could stay young forever?"

"I love the smell of destruction in the morning!"

"Why does everything have to be so complicated?"

"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"