Well, that is your choice to make and I'm not here to attempt to force you to join the register, but I disagree entirely with what you have to say.
To be honest, I can even excuse not giving blood/bone marrow more than I can not being on the donor list. Some people have a phobia of needles, GA would be extremely risky for some people etc etc etc. Once you're dead, these problems are gone. You don't lose anything by donating organs, and by doing so you
give to other people so from where I'm standing it's a no-brainer. Why would you choose not to do something which would potentially save or significantly improve the lives of multiple people, when not doing so is not detrimental to you in the slightest. Deliberately choosing not to donate is selfish by every definition of the word.
When you're dead, your organs serve no further use to you at all. I'm an atheist and have no belief in any sort of afterlife, but I can't see how your physical form would be necessary beyond death. What happens to people who die in horrific accidents and end up 'incomplete', do they not get to enter the afterlife? And what about people who are physically intact, but who die of organ failure? Their organs ceased to function in this life, so will they not survive either? What about all the cultures that believe in rebirth? A lot of them burn dead bodies. How are you so certain that your afterlife is not going to be rebirth, in which case you'll get a new body anyway? As far as I'm concerned, and without having a debate about whether or not an afterlife exists; I am certain that
this life exists, and would rather provide extended life to other people than risk the chance of me not having an afterlife. And not because they're somebody's family member or so that a parent can see their offspring get married, as Obiejess suggested; but because I believe that people have inherent worth as living creatures.
As for "How am I supposed to function with all of my organs missing?"... I... think you may have fundamentally misunderstood what death entails
(Clue: You no longer function very well at all regardless of where your organs are).
I can't say I understand L'Evil Fish's analogy in the slightest
. Necrophilia is wrong because it's (presumably) non-consentual violation, whereas people actively register to become an organ donor and can remove themselves at any time. They know what is going to happen and are perfectly happy with it. I don't think many people would be okay with effectively being raped after death
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On an unrelated note, if anybody does want to join the register and hasn't yet got round to it for whatever reason, then you can do so here
https://www.organdonation.nhs.uk/ . It's really easy and only takes a couple of minutes; you just have to put in your details and tick which organs you'd like to donate, and they send you a donor card about a week later. Even if just one person signed up as a result of reading this post then that would be awesome.