Haha, you'll have to fill me in on what that purification entails...
Yes at the moment I've embarked on 30 days of stamina, as I said I've brought in the rowing to my morning routine, and I will increase my cycle ride as time goes on. By the end of it I should be rowing about 8k and cycling about the same every morning.
I don't know how long I'll carry it on after the 30 days, as that will be very time consuming, but I think I'll keep it to at least twice a week.
Cg