You shouldn't be afraid of failure - when something fails you think 'What did I learn from that experience? I can do better next time.' Then kill that project and move on to the next. Don't get disappointed.
I was the youngest of my entire family so you are tap-dancing to try to get the attention of your older cousins. I really hit my social stride in 6th grade but before that I was a pretty big dork. You learn how to be amusing and how to work for it.