No real social change has ever been brought about without a revolution... revolution is but thought carried into action.
I'd rather have roses on my table than diamonds on my neck.
You do have to change things as warfare changes.
Team sports aren't my thing. I find it easier to pick something up if I can do it at my own speed. And you don't need a partner to go running you don't need a particular place like in tennis just a pair of trainers.