I did this last year. It wasn't so much "a couple hours" so much as it was "all free time for three months then dealing with the mental equivalent of getting o

I did this last year. It wasn't so much "a couple hours" so much as it was "all free time for three months then dealing with the mental equivalent of getting off a treadmill after an hour". It's worth it, but it isn't for the faint of heart.