He retained semen that resulted from an erotic dream and was harmed by that. Should he resort to the ‘secret habit’?

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Check below answers in case you are looking for other related questions:
Ruling on masturbation and how to cure the problem
He caused some harm to his friends; does he have to tell them if he intends to repent?

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He caused some harm to his friends; does he have to tell them if he intends to repent?

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