This leaves open the question of whether replying to one will duplicate your replies.

about it.

But you may have set a record here. Deuces and triples have been known to occur during DU server maintenance, but I've never seen a fourper (quadrupost?) before.

They canno take this warp speed much longer!!!!

That's a good question. I think it might be allowed, with the parents' consent, under the exception that allows for a donation "where their blood has special medical value for a particular patient."

Here's what the Red Cross has to say:

http://www.redcrossblood.org/donating-blood/eligibility-requirements/eligibility-criteria-alphabetical-listing#arc1

In-Depth Discussion of Age and Blood Donation
Those younger than age 17 are almost always legal minors (not yet of the age of majority) who cannot give consent by themselves to donate blood. (Each state determines its own age of majority, which can be different for different activities.)

Persons under the age of 17 may, however, donate blood for their own use, in advance of scheduled surgery or in situations where their blood has special medical value for a particular patient such as a family member.

...volunteer a blood donation.

But whether it works or not, the act was heroic.

I applaud the boy and his parents.