<prompt> Translate the following text to EnglishKama hakuna formula ya kichawi kwa ajili ya mpango kamilifu, kila mtu itakuwa na mbinu yake mwenyewe ya kisaikolojia, unapaswa kuepuka mbili: usiwe na hamu sana, na kwa upande mwingine, usidhani kila mtu ni nje ya kukudanganya.  <response>: If theres no magic formula for the perfect bargain each person will have his own psychological approach you should avoid two Dont be too eager, and dont, on the other hand, assume everybody is out to cheat you. 