Ghassan Kanafani's 'On Your Birthday' is a deeply moving short story presented as a letter from an absent Palestinian revolutionary father to his daughter. He explains that his absence is the ultimate sacrifice and a profound expression of love, not just for her, but for their homeland, linking her personal future to the collective destiny of their people. This powerful narrative masterfully intertwines personal love with political commitment, exploring the painful choice between family and the struggle for freedom.