The only thing I can think of is to just give him every opportunity to see if he takes to it. People either love it or hate it! lol
Other than making it enjoyable while he learns, like whacking balls at the driving range and going for ice cream after, there's little you probably can do.
There are a lot of bad golfers that just enjoy being outside and socializing with their friends. Then, there are a lot of good golfers who don't seem to enjoy it at all. Friends, or not.
But then, I don't have kids, so what do I know? lol
"Give 'em the old Razzle Dazzle.....razzle dazzle 'em"