Weight loss and PMS

I hate the water retention! I have to wait till a few days into my period for my weight to go back down again... Aww :(  I'm currenty in weight-loss mode and have been doing ok with exercise and everything till my PMS kicked in this week. Now everything freezes until I get my period! I don't gain weight but I don't lose any, either, although my diet and exercise are exactly the same. It's like a waiting game. I'm taking herbal tonics and drinking a lot of Dandelion to help with the retention but it's still frustrating! Does anyone else relate? How long does it take you before you begin losing weight again? Sometimes I think "Ok, I might as well eat more anyway since I won't be losing or gaining during these days"!! It's tempting sometimes. Arrrgh.