Generally speaking, envy, resentment, and self-pity are disastrous modes of thoughts.Self-pity gets fairly close to paranoia, and paranoia is one of the very hardest things to reverse.
Don't be embarrassed by your failures, learn from them and start again.
你不是靠标新立异获得成功。你是靠保持沉默和小心翼翼地侧身而行。