James Joyce said to a friend: "What makes most people’s lives unhappy is some disappointed romanticism, some unrealizable or misconceived ideal. In fact you may say that idealism is the ruin of man, and if we lived down to fact, as primitive man had to do, we would be better off."
Maybe study the Four Noble Truths of Buddhism. Understand that desire, craving, attachment cause suffering. Let go of the idea that you must achieve or become something and focus on living in the moment.
Perhaps also let go of the narcissism expressed in the humble-brag "[I] can always perceive all different angles and options when thinking about something" and "my perfectionist tendencies." Try humility, especially regarding the idea that you must accomplish something or perform to some arbitrary standard.
Maybe study the Four Noble Truths of Buddhism. Understand that desire, craving, attachment cause suffering. Let go of the idea that you must achieve or become something and focus on living in the moment.
Perhaps also let go of the narcissism expressed in the humble-brag "[I] can always perceive all different angles and options when thinking about something" and "my perfectionist tendencies." Try humility, especially regarding the idea that you must accomplish something or perform to some arbitrary standard.