I think im bulimic but I can't tell my parents !!!?

I've lost alot of weight from dieting and recently I noticed I was gaining some of it backkk ... And some people call me fat i skipp breakfast and for luch i eat a one hundred calorie chicken salad with zero calorie dressing ! When i get home I raiddddddddd the pantry I eat cake pie sodaa chips potato salad lasagna etc.. oodle noodles and then I throw it all up I've only been doing it for like a week it feels so good like a natural high I cant stop doing it and I've lost 15 lbs in the last 7 days and people are complementing me and I cant stopppp what do I do ..