Hadith.1877 - Sama'ah asked Imam (as) about a man who closely interacts with his wife during the Month of Ramadan.
Imam (as) said: "As long as he does not fear for himself, there is no harm."
Al-Kāfi #385“I once asked abu ‘Abd Allah (a.s.), about a man who in the month of Ramadan plays with his wife until semen discharge takes place. He (the...
Al-Kāfi #1378“I once asked abu al-Hassan (a.s.), about a man who is in the state of Ihram and plays with his wife until he discharges semen without...