Hi Lilly,
Just remember that actions speak louder than words - I'd just started LT in April and a friend came over and I showed her my "thin" wardrobe - lots of lovely things in size 10 etc from my old days (some of which have never been worn!).
She said "I know you're dieting but you'll never get in to those - you shouldn't keep them".
Well, just the motivation I needed as it happens.
To prove her wrong, I became more determined and now having lost 2st 5lbs, guess who's decided to do LT? Yes, my friend because she's seen the results for herself and I'm giving her lots of encouragement too.
So, get mad with these people and prove them blooming well wrong - nothing speaks louder than your results and I can't tell you how good that feels. I've still got another stone to go but I'm getting there - slowly but surely.
Stick with it girl - you CAN do it and enjoy the looks on their faces when you're a skinny minny! Good luck.