I often feel this way because I can't usually get all the right words out and express how I actually feel i have a pretty hard time letting people in there's only one person in my family i really trust to tell anything to
"I am an introvert. That means that when I’m feeling down, chances are that I won’t actually go to you for help. In fact, I won’t go to anyone for help. You’ll have to actually check on me. I don’t feel that I should burden others with my problems.
INTPs have perfect confidence in their knowledge of facts and theories, but are lost in the social world, where everyone is different and no one theory will fit everyone in their environment, which leads to a lack of confidence.