Who said "Relationships are about showing up, even when it's hard."?

This quote is attributed to The Flash (DCEU).

Relationships are about showing up, even when it's hard. - The Flash (DCEU)

"Relationships are about showing up, even when it's hard."

The Flash (DCEU) Relationships

"I'm fast. Really fast."

"Time moves differently when you're moving at super speed."

"You gotta embrace what makes you different."

"Running away isn't always the answer, even when you're fast enough to do it."

"The key to a happy marriage is communication."

"Marriage is about compromise and understanding."

"Life's greatest treasures are relationships."

"Trust is a luxury I can't afford."