"We can hold your life in our hands," a surgeon says in surgery.

"We can put our lives on the line," a military man says.

"We can stand the heat," says a female firefighter doing pull-ups.

"We can nurse you back to health," says a nurse with an elderly patient in bed.

"So why can't we get married?" asks another medical professional.

"We do our jobs, it's about time politicians did theirs," a mix of their voices say.

The tagline: "Marriage equality. It's only fair."