Years ago I had read in a technical magazine (!) that we should not allow ourselves to get into negative thinking beyond a certain level (a minimal negativity might be tolerable).
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Imagine you are in a well, incidentally, and more deeper you are, more and more positive energy is needed to pull you out of that well (the depth resembles the quantity of negative energy).
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Who will supply that much positive force?, it should be you and/or your loved ones and friends, lot of arduous task for them indeed!!!
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