I'm sorry you are in such pain. I agree it would be a good idea to see the school counselor. Talking things out helps. I can't believe your mother is blaming you for the divorce, that is just terrible. You are not responsible for what adults do.
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Bipolar I, Depression, GAD Meds: Zoloft, Zyprexa, Ritalin
"Each morning we are born again. What we do today is what matters most." -Buddha