My Boss Makes Me Crazy

So, I get back from China on a Tuesday so I can do preparations for classes on Wednesday and jump into classes on Thursday. Except that when I return there is an email from my boss telling me he has rearranged the schedule so that my first class isn't until next Tuesday. I realize I shouldn't be complaining because I have extra time off, but one little thing is making me crazy. I could have stayed in China an extra 6 days. I could still be in China right now. China is a big country, there were lots of things I didn't get to see. I could be seeing them right now! Errrrggghhhh!