Since you don't like to run, what do you like to do? Aerobics, weights, yoga...? Or do you prefer sports like tennis, football, etc? Is it possible to use the pool for exercise before you go home from giving swim lessons?
I've been thinking of taking up belly dancing, also. My hubby has sent me three belly dancing jewelry sets from Afghanistan the past year. I think it would be cool to be able to surprise him and 'use' them when he comes home. Although, I'm not quite sure where some of that jewelry goes, and am almost afraid to ask.