*completely off topic*
Lady Pi Phi, you are a diabetic as well? I read your story. I can only imagine what kind of situation you are in. I commend you for showing your strength. I was diagnosed when i was 13 months.
*ok back on topic*
Don't let the weight issue stress you out. The girls on our campus are all shapes and sizes. The key is finding who you fit in with socially and personality wise.
I think the only weigh ins that greeks do are for playing tug o war for greek week and there is a weight limit.