If he has any booklets or anything from his workplace that discuss interpersonal relations thats the best springboard as he has likley read and agreeed with that material already... you are just applying what he has agreed to into his home... its a lot easier than bringing in a new argment from a new source
Whenever I got in a dispute with my wife i would always try to make references she respected and was familiar with where I could... it carries a lot more weight
You can use the work analogies or the sports analogies they both work...
Your daughter is moving to a new home and you don't show up... That's the same as a football coach not bothering to show up at the damn game... what are you thinking?
