The couple became friends after they worked together on FOX's "That '70s Show", but they later had "full friendship breakups", reported Ace Showbiz.
"We went through a period where I thought he was crazy. At the height of his career, I was like, 'Ugh, I don't like you. I don't even know you anymore," Kunis 32, said.
"And then we'd get back together and be like, 'Oh, sorry. I didn't mean to overreact. That's OK.' All the time. It truly is being married to your best friend. That's a cliche; it's cheesy. But it's true."
"I have an amazing, amazing support system in my house, meaning my husband who's incredible.