Re: New Info! (Bad Robot press event) *SPOILERS*
Besides, if you want to get really nerdy and anal about it Kirk was romantically involved and conceived his son with Carol years before he ever took command of the Enterprise and ran into the Botany Bay.
In Prime timeline continuity Carol Marcus was a part of James Kirk's life long before he got captain's braids on his sleeves and ever came into contact with Khan Singh.
Human instinct is pretty strong. You can't expect us to change overnight.
-Captain Jonathan Archer, 2151