premise: it was a macho thing he had to use that but then after he used it one year he took it back to where he got it used and he sold it back to them and traded it in for another one that was smaller
hypothesis: It was a macho thing he had to use that, but then after he used it for one year, he took it back to where he got it used and he sold it back to them, trading it in for another one that was smaller.