Samson is guilty both of the sin of lying, though he dress up the lie in such circumstances as might make it most probable; and of great folly, in encouraging her inquiries, which he should at first have checked: but as he had forsaken God, so God had now forsaken him, and deprived him of common prudence; otherwise the frequent repetition and vehement urging of this question might easily have raised suspicion in him.
Related Commentaries of Judges 16:7
Judges 16:7
7 And Samson said unto her, If they bind me with seven greend withs that were never dried, then shall I be weak, and be as another man.