You don't have to be kind. You have to be calm. Once you start showing that people can affect your emotions, then you obviously don't have that much power. If a stewardess can affect your emotional life, then you don't have any power in life and you just showed your whole hand.
Yes, the companionship is amazing. You know, you can get that physical attraction that happens is great, but then there's an awful lot of time and the rest of the day that you have to fill.