Weekly Challenge #3

I've joined the weight loss challenge group at work.  We have Wednesday weigh-ins and last week, I lost 4 lbs.  Today is weigh-in.  I hope I've at least lost a pound.  I don't know though.  After the Miranda Lambert concert last week, I pretty much blew it.  I was hungover for 3 days and pretty much ate everything in sight.  Oh well.  On a positive note, I went to Zumba last night and according to MyFitnessPal, I burned 770 calories.  That's like a pizza!  So my weekly challenge is...

Attend 3 exercise classes.