User blog comment:Rassilon of Old/Young Justice spoilers at Comic-Con 2012/@comment-4283185-20120731112929/@comment-4821105-20120731203903

He doesnt age like 1 year in a 1 week. That is probably is coincidence since the mumber 16 appear on this series a lot. The clones always look their age since they were cloned but they age more faster than humans from inside but outiside they going to look young forever, so they will die sonner than others people.