"I'd use you for kindling," Tony readily agreed. There were lines that just weren't crossed, like dismantling a man's armor. Only the worst people did that. "But I'm not the one you're blackmailing. Unless that's what you're doing right now. Am I being blackmailed?" If it was his choice, he'd also pick himself over literally anyone else to design and build something, but he'd proven too stupid to understand the energy this planet could apparently support so he didn't think that was really an option. Besides, it wasn't his head that Donnie had been digging around in. His secrets should have been safe from leverage.