Because Ritalin exists to medicate children into submission so they can sit at a desk for 8 hours a day like good little workers, and it's less important to com

Because Ritalin exists to medicate children into submission so they can sit at a desk for 8 hours a day like good little workers, and it's less important to comply with this constraint on weekends and holidays, when the parents, not the school system, have to deal with the child's desire to not sit at a desk for 8 hours a day like a good little worker.