Narrated by Sayyiduna Abu Sa'id Khudri (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: When a man has intercourse with his wife and then wishes to return (to her), he should perform ablution.
Hadith Takhrij«أخرجه مسلم: 308 ، (انظر مسند أحمد ترقيم الرسالة: 11161 ترقیم بيت الأفكار الدولية: 11178»
Brief Explanation
Benefits: … In an authentic narration, the words "fa-innahu anshatu lil-'awdi" (because in this way, there will be more vigor for returning again) are mentioned.