In simple words we can a be naive, in other words, completely protected and sheltered hence trust everybody; b. we can be anxious and cynical, in other words, having been bitten and being afraid of getting bitten again, the mind produces fear-based perceptions of danger and evil in all people – this is what game theory calls the Zero Sum game, where no better description than the Arab saying " I against my brother, my brother and I against my cousin, and my cousin and I against the rest of the world" for in a society where everybody is trying to steal or rape another all people go on a offensive defense; finally, the only correct path is as the Baal Shem Tov teaches to fear no one but God, but as you have experience in life, you are capable of creating both realistic as well as love based judgments