Happy days die...but some survive

Everything I do is wrong. Everything. Even when I try to help my friends it's wrong. Last week I worried about one of my best friends. She has got a very hard time right now and she's breaking. And I can't watch her breaking right in front of my eyes. When I felt bad, she tried to help me. She told my teachers that I'm not allright, so she tried to help me. And now, I did the same for her. We are friends. We're caring about the other one, try to help each other and get our feet back on the ground. So I helped her. I told the same teachers: "Help me, help her! She's not allright" I just wanted to help her. One of the teachers took my letter seriously and he will do something, but the other one just missunderstood me. Instead of concentrating on the mainproblem he addressed reproaches to me, and said that I would put him into danger, because his colleague could to draw the wrong conclusions. How could I dare, I should think before I write such a message. Whats going on? I wonder: Can I do anything right, at all? Everything I do hurt someone. Everytime I say something, somebody is angry about me or sulky or sad or what ever. I just wanted to help..and what do I get? reproaches..
So, if I can't do anything right, I just will let it go. I'll just let it be... I'm sick of struggel for anything and all I get is nothing but worse.
I don't want anymore....