That was the estrogen (female hormones) in the tofu working.Soylent.com - Free your body
It's that "FREE YOU BODY" part. Free your body, read: "Intestinal Tract" of everything to the point of prepped for a colonoscopy.....
Had this vegan gal I know whip up a tasty dip for crackers or veggies and give me a pint of it. Main ingredient was Tofu. Tasted pretty good! It "Freed" ME up real good though.