> Learn to control your own emotions. THIS. When this topic comes up, you can read everything you want about tactics and take to heart the entirety of "How to

> Learn to control your own emotions. THIS. When this topic comes up, you can read everything you want about tactics and take to heart the entirety of "How to make friends and influence people", but none of it means anything if you can't keep your cool. All the people you mentioned keep an air of amused mastery about them. Having an irrational confidence in yourself helps with that. It's like they're amused at the idea that any particular situation, person or statement could possibly make their martini taste bad.