Building a Co-Founder Partner Relationship?

"The real key is that we can argue and hurt each other's feelings. And not have that affect the relationship at all, which is late," he says. "If you can't say that to me, then the relationship's just not that valuable because who the hell else is going to say it's going to be?" 'I'm a control freakin especially anybody else,' co-founder adds. "'You never get mad at me because you're just happy' I love expressing my opinion."