Holly Kennedy becomes a widow in P.S., I Love You. When her husband dies too young, Kennedy is helped in her grieving process by notes left to him by her dead husband. Hilary Swank portrays this character.
Holly Kennedy: What if this is it, Gerry? What if this is all there is to our life? You have to have a plan. Why do I have to be the responsible grown up who worries? Why can't I be the cute, carefree Irish guy who sings all the time? Gerry Kennedy: Because you can't sing without making dogs bark?