There is no experience like having children.' That's all. There is no substitute for it. You cannot do it with a friend. You cannot do it with a lover. If you want the experience of having complete responsibility for another human being, and to learn how to love and bond in the deepest way, then you should have children.

Tuesdays With Morrie: An old man, a young man, and life's greatest lesson (ed. Hachette UK, 2009) - ISBN: 9780748112616