By 1916, Puller was a teenager. He grew up listening to the war stories and made them his idol. He wanted to cherish those memories and make one of his own. He attempted to get enlisted in the US Army to join in the border war with Mexico. Puller was still very young for this, therefore his mother didn’t sign the permission slip. Yes, this was one of the hurdles that were stopping him from joining the military. But something changed and he succeeded. Let’s see how.