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Anas b. Malik reported: When anyone who has already a wife marries virgin, he should stay with her for seven nights (and then turn to his other wife), but when anyone having a virgin with him (as his wife) marries a woman who has been previously married he should stay with her for three nights. Khalid (one of the narrators) said. If I were to say that it could be directly traced to the Holy Prophet (may peace be upon him). I would have told the truth, but he (Hadrat Anas) said: Such is the tradition.