Why would I doubt the ability of the youngest General to ever rise to that rank in the First Order? It doesn't seem as if they simply give away the title.

[He raised an eyebrow, watching Hux with a smile on his face. There was something uncompromising about this man, and he was willing to see on site what that was about if this entire interview process worked out between them.]

You may ask, but I see no reason get into personal matters at this time. Perhaps over tea some time when we aren't in a business capacity.