Fasting can never be used as an excuse for bad behavior. Rather, fasting proper is supposed to keep a person patient, composed and forgiving. The Prophet (peace be upon him) has enjoined us to keep our cool and refuse to be provoked and walk away from all provocative situations saying: “I am fasting, I am fasting.” He said, “When one of you is fasting, let him not indulge in foul speech or sinful activities; if anyone insults or rebukes him, let him (not retaliate and) say: I am fasting; I am fasting.” (Muslim)