She has a problem with overweight people.
She has had years of trouble with her son, and is actually afraid that he will gain weight.
She was Telling HERSELF that he will not become obese.
If this happens, they may have to look into trying other drugs.
That means, until they find one that controls the mental focus and behavior, she will have bizarre thinking, talking, and behavior to live with, until they find one that works.
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Sylkat
Student Body President, Miskatonic University