That's really bad luck about the grammar question on your quiz. I'm sorry it happened.
For the record, I don't think you're wasting anyone's time, and I don't think any of us should make comparisons about whose problem is more important, because....after all.....when we are suffering from depression, it's always important to find a way to feel better and heal ourselves.
I hope you will give some thought to the idea of finding a community resource for counseling, or perhaps a referral from the hospital where your mother is right now. Or maybe there is something available through your school. I don't mean to belabour the point....but I do care about the fact that you are dealing with so much stress, and want you to have the best help possible.
Please don't turn to substance abuse to escape your pain, Super. I can tell you from past experience that it only makes everything much more difficult. You deserve to have real healing and support.
Here are a couple of sites that are absolutely free for you to check out.
I hope that this helps you some.