"I'd rather write about this world than live in it. I'd rather play music all day, read, and wander around in bookstores, than converse in idle talk. I'd rather watch humans, but not be one of them." ... previous poster had this labeled as INFP, but it fits INFJ, as well.
Next time you feel uncertain and insecure, and you catch yourself stressing about a problem that doesn’t exist, stop yourself and take a deep breath. Then tell yourself, “This problem I’m concerned with only exists in my mind.” Being able to distinguish between what you imagine and what is actually happening in your life is an important step towards living a positive life. - via: http://www.marcandangel.com/2013/07/25/4-ways-to-quiet-the-negative-voice-inside-you/