Imam’s daughter Zahra Mostafvi recalls through a series of memoirs that one year, in the middle of summer, the holy month of Ramadan began.
The weather that year was very hot and we did not have a fan or air conditioner, she said.
And my older sister, who was very weak and thin, turned nine and had to observe fast in accordance with Islamic law and jurisprudence.
After breaking her first fast, she turned to Imam and said, "I will not fast tomorrow.”
Imam instead of forcing her to keep fasting suggested to travel towards Tehran. It is worth mentioning that observing fasting is not obliged for the traveler.
Imam later explained the reason behind his decision saying that “ I did not force her to fast because she might break her fast and in this way the ugliness of eating fasting would had been disappeared for her.’
"I saw that this child cannot fast and if eats, then significance of fasting would disappear for her.”
But with this thinning and wise plan “if she was later asked to observe fast, she would accept respecting the Islamic laws willingly.”
(Zahra Mustafavi, the daughter of Imam Khomeini, Book of the Compassionate Father, p. 88)