The emission of Prostatic Fluid (Mathi) with sexual desire does not invalidate the Fast

Question :

If a man kisses while he is fasting or he sees some erotic films and some prostatic fluid is emitted from him, does he make up for that fast? If that occurred during separate days, should he make up for the days successively or separately? May Allâh reward you with the best reward on behalf of the Ummah of Islam.

Answer:

The emission of prostatic fluid (Mathi) does not invalidate the fast according to the most correct view of the two views held by the scholars. It makes no difference whether that was caused by kissing the wife or looking at some films or anything else that arouses the lust. However, it is not permissible for the Muslim to watch erotic films or listen to what Allâh has forbidden of singing and musical instruments. In reference to the ejaculation of sperm (Mani) due to sexual desire, this invalidates the fast, regardless of whether it happened due to touching or a kiss or repeated looking or anything else that arouses the lust, such as masturbation and similar things. In reference to wet dreams and thinking (about erotic things), the fast is not invalidated by that, even if sperm is ejaculated because of it. Also, making up for days of fasting for Ramadhan does not have to be done consecutively. Rather, it is permissible to separate the days due to the generality of Allâh's Statement:
"So whoever among you is ill or on a journey, then (he may fast the days from) a number of other days."
Source:
Ash-Shaykh Ibn Baz
Fatawa Islamiyah, Vol. 3 Page 277

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