Tw not eating

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Idk if this would trigger anyone so I did a Tw before the post.

I think I may have an eating disorder. I have always been over weight. And no matter how hard I've always tried I have never been able to lose weight. When I was 16 I was living with my dad and step mom and my ENTIRE life revolved around dieting and excessive exercise and fasting and counting carbs and the works. I ended up losing like 60 pounds in about 45-50 days. I was super unhealthy and sick ALL the time. I was eating less then a picky 8 year old. I would only eat once or twice a day. Well after I moved back in with my mom I started working in fast food. Since I had income my mom didn't feed me anymore. I was rarely home because of working so much I never had time to cook so I was eating fast food every day. I ended up gaining all 60 pounds back very quickly. I got super self conscious about it and started dieting again. But soon after became homeless. Not long later I met my husband I got pregnant. During my pregnancy I gained A LOT of weight. like I'm talking 80 pounds. I had to eat a decent amount after I had him because of breastfeeding. Shortly after I had my son I got pregnant again with my daughter and gained another 45 pounds. It's been 1 year since I had my child and I've worked so hard to lose weight and can't lose any. I am 20 years old and weigh 337 pounds. I've been trying so hard to lose weight and I can't. I have been hardly eating lately and hardly drinking anything. When I do eat I eat less then my 2 year old and it's only once or twice a day. In the past 48 hours I've eaten 3/4 of a peanut butter and jelly sandwich and 1/4 of a banana on the sandwich. I haven't drank anything other then a few shots of vodka. I'm to the point of not even feeling hungry anymore. But my mouth is sooooooo dry but eating or drinking makes me feel sick. I just want to lose weight and be pretty.