Jennifer Horgan: Thank you, Diane Keaton, for teaching me one of life's important messages

'Something's Gotta Give' is one of my favourite movies — a film that is joyously, unapologetically hopeful

Diane Keaton and Jack Nicholson in a scene from 'Something's Gotta Give'.

It interests me that Diane Keaton never married.

Her work has so much to say on the topic, and on human relationships in general.