A rather reserved priest, Pucci became more and more exalted as the plan neared its completion, having occasional outbursts of enthusiasm and celebrating the Green Baby's conception. Prior to acquiring Made in Heaven, Pucci was an anxious person and used to recite the prime numbers,[19] which calmed him thanks to their indivisibility. Upon unlocking it, however, Pucci became supremely confident, and began to express his emotions more freely.