Tony, I'm with Kev in a way (5 posts back).
It's hard for us to know what you like.
Only YOU know what interests you.
We can suggest till the cows come home and not quite hit the nail on the head.
But as a suggestion, have you thought about teaching English to Koreans, or Korean to Aussies. Might even be a good paying part-time job
Oh, and get out there and do something physical mate. Get fit!