Married here to a non-sporty, which works out a-ok, because I'm a non-music person. I ride bikes, horses, run, etc. He composes, practices and plays his guitar. Sometimes I get him to go for slow rides now that he trusts me to go slow and the destination includes a cocktail or picnic. We appreciate our differences and enjoy sharing what we've learned in our respective domains.

IMHO, you have to pick a short list of what you really can't compromise on, and as much as I love my sporting activities, there are many other qualities with higher priority.

The benefit of not both being gung-ho about one thing is the non-competition aspect AND you don't ever have to listen to a bunch of unsolicited commentary about your decisions in your area.