Ignore what you’ve already spent. Ask yourself: "Knowing what I know now, would I start this today?" If the answer is no, walk away.
Envy is the most "unproductive" of all emotions because it focuses on others rather than self-improvement. Die Kunst des klugen Handelns: 52 Irrwege, die ...
Too many options lead to "analysis paralysis" and eventual dissatisfaction with whatever choice we make. Ignore what you’ve already spent