Contrary to only having only one girlfriend his entire life and a few hookers, Charlie tends to think he knows what he is doing when it comes to relationships...
Though considering that all of Jovie's brothers are in the military (they all signed up together), they really are the sort of guys you should probably avoid getting into a fight with... Though considering that Jovie is considered "big cool sis" by the five of them, it's not like Jovie wouldn't beat the motherloving crap out of someone who scorns her too.
But there are also rules about having hot sex while in the air force.
In Ailnea, a game similar to baseball is very popular. Considering Ailnean sensibilities, batters probably beat the shit out of the basemen.