Zaid b. Khalid al-Jubani reported that he askad Uthman b. 'Affan:What is your opinion about the man who has sexual intercourse with his wife, but does not experience orgasm? Uthman said: He should perform ablution as he does for prayer, and wash his organ. 'Uthmin also said: I have heard it from the Messenger of Allah (ﷺ)
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“Read in the name of your Lord who created.” 96:1
“My Lord, increase me in knowledge.” 20:114
“So remember Me; I will remember you.” 2:152
“Indeed, with hardship comes ease.” 94:6