 [ Symptoms ] what is the best way to condition my skin before a cosmetic procedure [ Disease ] maybe you are not eating more than what they think is normal but if your stomach is smaller or has shrunk then you might not be able to eat more than you are used to if you suddenly can not eat as much as you could however you might have another problem that needs a doctor for now maybe you just have a more sensitive stomach maybe it is the irritation from the heartburn