I'm a designated organ donor and I'm also in the bone marrow registry.
One thing the rest of you organ donors should not overlook is that you need to tell your next of kin that you're serious. Having "Organ Donor" on your license doesn't help if your next of kin say "no."
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Catapultam habeo. Nisi pecuniam omnem mihi dabis, ad caput tuum saxum immane mittam.