"I love people, and I have a lot of compassion for the struggle of people," Ruffalo told HuffPost Live's Alyona Minkovski in an appearance to promote his clean water initiative "Water Defense.""I was growing up during the AIDS epidemic, and I saw how cruel and how insensitive people were to these people suffering. It sort of has been forgotten in our culture what happened during those times."
Many of the pioneering HIV/AIDS activists depicted in the film, he added, "brought us to the point today...gay marriage is as common almost as marriage right now."
"That was an important story that needed to be told, and I was honored to tell it with the folks that I got to tell it with, and having Larry Kramer's words to convey it," he noted.
"The Normal Heart" airs May 25 at 9 p.m. EST on HBO.