Josefina is obsessed with her weight. she sometimes eats a whole package of oreos at once and then makes herself vomit. she most likely suffers from

Josefina is likely experiencing Bulimia nervosa, in which a person has a disorder in a emotional state in terms of his or her body image. It would likely lead the person to try methods of losing weight and in the same time, the person would experience depression. It involves the person doing things to lose weight such as by vomiting or fasting in which we could see Josefina doing above as she was obsess about her weight.

It settles nerves, reduces the tension.