You did it because it kept you fit and because (he let old Eno have it) it kept you decent.
How could he explain to old Eno what he did it for or what it felt like?
Old Enowould be a lot decenter if he went in for it.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "eno" in a variety of sentences. We hope that you will now be able to make sentences using this word.