Of course the other and more serious way in which it all happens is that one finds in poems and language some quality one appropriates for oneself and wishes to reproduce.
Dogs are more of a responsibility than kids - you can send a kid off to their grandparents or a nanny, but with a dog you can't do that.
God, our genes, our environment, or some stupid programmer keying in code at an ancient terminal - there's no way free will can ever exist if we as individuals are the result of some external cause.