I was wondering if I show signs of a mental illness. I sometimes can t remember doing things or places I ve done or seen multiple times. I also get angered easily and think of multiple ways of how I can make that person that did me wrong miserable. I have been experiencing mood swings lately. I also feel like helping people so that later in life they won t know how to do it themselves and won t have me there to help them, making me more successfull than them. I also took some tests of many mental illnesses online and I was diagnosed with a moderate dementia and psychopathy.