The world is in a state of shock over thesudden death of Bob Saget.

But many people don’t realize that Saget and Coulierknew one anotherwell before they were television costars.

“He walked into a little comedy club in Detroit and I hadn’t even done much stand-up.

Bob Saget smiling

I think I had been on stage two or three times.

That’s what I want to be.'”

This is life imitating art, which is really weird,'" Coulier noted.

Bob Saget and Dave Coulier holding hands on red carpet

“My heart is broken.

I love you, Bob.

Your forever brother, Dave,” Couliertweetedafter news of Saget’s passing was made public.

Coulier then followed up with another tribute onInstagramalongside a photo of the two men holding hands.

“I’ll never let go, brother.

Love you,” Coulier wrote, capping it off with a heart emoji.

The capacity in which he loved was unmatched.

Bob, we’ll be holding your girls and lady extra tight for you.

I love you."