This again assumes you can successfully pull this off. Get into an accident on your way to the woods and get paralyzed from the neck down? Too bad, you live now. Crazy cousin has a sudden moment of clarity, recognizes the insanity of what you’re doing, then has you committed to an asylum? Too bad, you live. Spend a few hours toiling to set up your contraption, collapse in a puddle of exhaustion, then have a change of heart because why the duck are you putting so much work into trying to off yourself? Well, then you live.