I've been using olanzapine for 3 months and have gained 15kg. It really sucks, like, the only thing I ever liked about myself physically was that I was skinny. And now I don't even have that anymore. I've been off it for about a week now and have not lost any weight. I barely eat at all. I'm afraid I'll get an eating disorder if this continues. Is my metabolism ruined forever? Will I ever lose this weight? Please help.