Prior to Samson’s birth an angel appeared to his mother and announced that she would bear a son who was to be a Nazirite from birth and “take the lead in saving Israel out of the hand of the Philistines.” (Jg 13:1-5, 24; 16:17)
... But, because of her persistent pestering, he finally gave in and revealed to her that his strength lay in his being a Nazirite from birth.