I see. Well this is just a standard feature of human interaction. I am always polite and cheerful in tone when I write emails. Even if I'm actually annoyed or b

I see. Well this is just a standard feature of human interaction. I am always polite and cheerful in tone when I write emails. Even if I'm actually annoyed or bored or tired. It costs me absolutely nothing to use certain words instead of other words, to add an exclamation mark in certain places, etc.