Hi @nick, welcome to the forum and always great to have another Aussie on board.
It sounds like you’re getting the appropriate blood tests for monitoring. As @caraline mentioned, it’s good to get an ultrasound and fibroscan of your liver to monitor the condition and see if there have been any past injuries.
Regarding lifestyle: there are other threads on this - Lifestyle changes, nutrition, and supplements for hep b
Cheers,
Thomas