Is it my fault that I’m like this?

When people offer me their help, I decline; feeling that they can’t connect or help me because they don’t know me. When I want help, I have no one share with. I tell myself I can go through obstacle alone, but can I? So is it my fault for pushing myself away from others when I need them the most? Is it because of myself and my doings that gave myself depression?

I honestly don’t know anymore.