I'm not quite sure why this isn't getting through people's thick skulls. But you're not Dr. Doolittle. Animals are not going to be nice to you. Those warnings that the National Parks regularly send out to the public are to be heeded.
Anyway, some idiot thinks he can get close to a bison in Yellowstone and walk away unscathed. He would be wrong. He is an idiot.
Check out the video below!