One should know about their functions and how much pain they might cause before getting seriously ill. "What's more, in order to prevent a hospital eager to save resources or a family of a patient with a long-term illness from pushing to cease resuscitation efforts on a patient too early, the living will must pass through a carefully designed legal process before becoming valid.
它們有什麼功用，做起來多痛苦，你總要有一點瞭解吧。」此外，為了怕醫院會因為節省醫療資源、或是怕家屬會逼迫久病的病人提早放棄急救，因此預立醫囑必須經過很慎重的法律程序。