You don't have a choice when coming into this world, but you definitely have a choice when going out. If you want to end your life and are unable to do so on your own, people should be allowed to help you, provided there are witnesses to attest that you wanted to end your life (to avoid murder under the guise of suicide).
Given the economic grounds for voluntary euthanasia, critics of voluntary euthanasia are concerned that patients may experience psychological pressure to consent to voluntary euthanasia rather than be a financial burden on their families.