Robin Williams’ son, Zak Williams, has opened up for the first time about his father’s death. At the Christopher & Dana Reeve Foundation fundraising gala Thursday night, the 31-year-old said his family is slowly trying to adjust.

“We’re doing okay,” he said. “We’re acclimating to the new normal. Everything is step by step. Personally, my wife and I are focusing on doing a lot of good. She runs the San Francisco office of Human Rights Watch, and we’re working with them to do good in the world.”

Williams also commented on his father’s close relationship with Reeve.

“They had a tremendous love for one another,” he said. “The amazing thing about their relationship was their incredible drive to take the time to love, to help, and to appreciate others, even while they found themselves in great pain.”

Previously, Zak’s sister, Zelda Williams, publicly paid tribute to her late father with tattoo of a hummingbird on her right hand.

“For poppo,” she wrote with a photo. “Thank you to the incomparable @dr_woo_ssc for so beautifully bringing my reminders to life. I’ll always put my hand out to shake with a smile.”