I do not want to go into its physical reasons: the construction of the human body is different from that of carnivorous animals. But man's intelligence is such that it can be utilised to defend any-thing he does whether right or wrong.
Hitchhiking was such a pure form of existence. You'd wake up in the morning and you'd have no idea what your day was going to be. And that's something I've never been able to shake. I loved that.
