Losing weight

My husband is going to work over to the power plant from anywhere from 28 days to 45 days. He has made a deal with me that he is going to lose ten pounds so I have to lose ten pounds while he is working. I'll be practicing my Zumba moves in order to have enough exercise to at least lose close to a half a pound a day. Years ago this was easy but as you grow older its extremely tough. I just hope I can do it.