Is the oath considered broken, and do fasting and expiation become obligatory, if a person experiences thoughts that lead to doubt about emission after having vowed to fast three days for every time he commits the sin of masturbation, knowing that fasting is difficult for him and he has forgotten the details of his vow?
The answer to Fatwa No. 150062 and its related rulings is sufficient regarding this vow and how to combat lust. Mere intrusive thoughts, especially when resisted, incur no sin even if semen is discharged, as stated in Fatwa No. 119899. If nothing more than this occurred, the vow remains valid and no expiation is due.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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