"I would never want to keep you from doing something you need to do," Stark said softly. "I'm not going to try and stop you. But can you...would you stay a little while? Just a little. This isn't how I want to say goodbye. I don't want to say goodbye at all but I don't want to be angry and I don't want..."

If this was going to be the last time they saw each other he didn't want it to be just an argument. He'd regret that forever.