I'm on a diet ~ How am I doing ?

Hi,I started a diet on Monday,and today is Thursday.WOW. I have been eating chicken with no skin,ground turkey,salmon,califlower,bananas,yogurt,… fr snack,ect......although i cheated for lunch yesterday,I had a half of oyster po-boy,and a salad...come on,give me a break haaa. how are the foods that Im eating ? should I change anything ? I want lose weight fast,but stay healthy !