My advice would be: 1) Be polite. Always. 2) Make it clear that you're both two professionals trying to get through this as quickly as possible, both of you ha

My advice would be: 1) Be polite. Always. 2) Make it clear that you're both two professionals trying to get through this as quickly as possible, both of you have better things to do. 3) If you must talk to someone, always talk to the person, never the hat.