Today, I had some happy moments, and a few bad moments, too. I felt happy when I learnt to play a song through Bluetooth while driving. I was also glad when I learnt to insert an audio in my teaching ppt. However, I felt unhappy when I tried to stop my car at a certain spot but scraped the right side of my car against the wall. I also felt unhappy when I asked a colleague to switch a class with me, and he refused. Anyway, it doesn’t matter. If he had said yes to my request, I'd have been grateful. Since he said no to my request, it’s okay because he may have had a valid reason.