I don't have a favorite song that I've written. But I do have a favorite song: 'Always on My Mind,' the Willie Nelson version. If I could sing it like he do, I would sing it every night. I like the story it tells.
Of course it can be said of jails, too, that they try - by punishing the troublesome - to deter others. No doubt, in certain instances this deterrence actually works. But generally speaking it fails conspicuously.