Your statement about aging is incorrect. Instead, time dilates relative to stationary, so they each see the other moving more slowly through time, and therefore aging more slowly.

Also, you say several times "with no frames of reference". There are frames of reference, it's just there's no absolute frame of reference.

Your statement about aging is incorrect. Instead, time dilates relative to stationary, so they each see the other moving more slowly through time, and therefore aging more slowly.

Also, you say several times "with no frames of reference". There are frames of reference, it's just that there's no absolute frame of reference.

Your statement about aging is incorrect. Instead, time dilates relative to stationary, so they each see the other moving more slowly through time, and therefore aging more slowly.

Your statement about aging is incorrect. Instead, time dilates relative to stationary, so they each see the other moving more slowly through time, and therefore aging more slowly.

Also, you say several times "with no frames of reference". There are frames of reference, it's just there's no absolute frame of reference.