You'll be alright. Just stick it to it. The first couple of days are the hardest but once you get past that you'll be ok. When you see how much you've lost you'll be pleased with yourself. You can do it!
good luck hon. i so should have started one of those today... ha. i have made it though.
you'll get through it. dredge up your will power all the way down from your toes and visualise your strongest goal being realised!! it's a powerful motivator. keep looking at the before and after pics on here. they are amazing!!