(re post) should I go see a doctor?

so I hae been eating a lot since it was first 3 dinners and a sandwich in one day then to a sandwich with a box a fruit snacks, chocolate chips, and power-ade finished in one day and now I can't stop eating right now i have chex mix and chocolate chips next to me last night I had 2 slices of pizza at a dance practice and came home and ate dinner and today at lunch I had a piece of chocolate cheese cake, chocolate pudding and 2 chicken wraps and lunch is 15 minutes and I finished all of that and they were all very big sized portions. I want to stop but I can't I only weigh 99.1 pounds is this normal? should I go see a doctor? and I'm 14 if that helps