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That's a marathon to me. I did do the liquid/juice fast for 40 days that so its not impossible (obviously)

Even just one day of water only or whatever is a good start. For me personally I usually build up to the bigger things. Others may jump in with both feet and have great success. I suppose it just depends on the individual.

40 days nice ! Yes I'm more the put one toe in the water first guy too with stuff like that I will start with 3 days water, thanks for the infos.