Originally Posted by
Bluebird Hewitt
I think that 18yo is a slow trainer judging by the valuation. Regardless, the only advantage the 24yo has over the 18yo is the SA. Personally, I would get the 18yo seeing as he's better and should train better than the 24yo in the long term as well. The SA is useful, but not really a requirement.
An ST I have I trained to have the One on One SA and in all honesty, I don't think it has made that much of a difference. If the stats are far higher than someone with the SA, then there really is no difference.