   neutral   I also think the company is pretty cheap with travel expenses. I spent half of the weekend on a train! Surely they could have afforded to buy a few plane tickets!     neutral   our company is quite conscious of the environmental problems that frequent flying causes.  
    neutral   I see. Well, then perhaps they could give me a few days off after a business trip. It was really tiring for me.     happiness   I can ask the boss about giving you the day off today.  
    happiness   thank you. I can't imagine getting much done today. I'm just too exhausted!     happiness   
 How nice it is seeing all these green trees! The scenery around here must be incredible.
 You are very welcome.    sadness When will my son be back from camp? The