It's because of my psychological trauma. I pretend I know everything. I am grandiose (although not delusional.) It comes due to the fact nothing is right with me, starting right from birth 'till now. Peers laugh at me, teachers call me worthless, doctors feel pain... can never achieve my dream of independence, it isn't my fault, yes, but I don't want to live like this. I have attempted suicide by ingesting pills so many times.