Who said "Let's make the most of every moment we have together."?

This quote is attributed to Billy.

Let's make the most of every moment we have together. - Billy

"Let's make the most of every moment we have 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"