Declaring something lawful unlawful for oneself

Question

Question: (1) If someone says, “Raising chickens and eating them is haram for me,” may that person raise chickens and eat them? (2) If a person declares food and drink in the house of his in-laws or in the house of his neighbour unlawful for himself, and then later wants to eat there, what will the ruling be? (3)

Answer

(1) If a person declares something lawful unlawful for himself, it does not become haram by his declaring it so; its use remains permissible for him as before. However, since by using it he becomes an oath-breaker (hanith), kaffara (expiation)

Source: Fatawa Mahmudiyya

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