Do you know the "Pump it up"?

Today, I watched the last video (2012, Move It, Lose It) and I really love in this video. If you know this aerobics (Pump it up) and can you share some experience to me? Or someone lose weight success because of you join the Pump it up? I am looking forward to your reply :)

How to face my boss say"i want to quit this job"！！！！

Recently, I am so confusing because I don't know how to handle the situation when I want to quit my job. My work place only have 5 to 6 people, and my boss don't want let me go, but I am really tired and bored with this job, so I wanna to be changed immediately. Could you tell me or help me to how to say with my boss in polite way, because of he is not a bad boss.

If you rent a house, would you buy appliances? I rented a house just several month, but the water heater has broken twice when I take a shower. This is so disturbing and make me frustrating. I have to ask a leave to my boss everytime and there will be no salary in that day. The landlord was an old woman, she is very stingy and mean, when I called her to tell her needs found someone to repair the water heaters and she always would say one words firstly "You people are so annoying" (你这个人怎么这么烦). It's make me uncomfortable and angry, I mean if the appliances like refrigerator, air conditioner, water heater has always been good, why I will need you to found someone to fix that, it proves the machine is bad or aging when I rent the house. It is unreasonable. Undergo these things, I consider if buy a new one, these make me upset things would not gonna be happen. But another sound raise in my mind, this is a rent house, if I buy these home appliances, when I move to another house and what will be happen and what should I do. After all, change dwelling place is not easy :( If you were me, how would you do? 把这些遇到的不开心的事情写下说出来，心里舒服一点了，同时也希望好心的你能帮我改改英文，谢谢:)