Financial talk

I WANT to eeat but I never have time to make lunch and eat breakfast. I always forget to bring money. Once I had this pain in my stomach so bad that my friend bought me a pizza and I ate it in literally 2 minutes. I used to be the strongest (weighing 108 pounds) in my gym class and now Im like pretty weak. I was wondering: if this kept going on would I be prone to major diseases? I TRY to eat but...