Cost-benefit analysis is a weighing-scale approach to making business decisions: all the pluses (the benefits) are put on one side of the balance and all the minuses (the costs) are put on the other. Whichever weighs the heavier wins.
However, since the story constantly points out Jon's conflict with his illegitimacy and Ned's strict code of honor, many fans have come up with a theory that actually explains who they think Jon's parents really are. Fans know the theory as R+L=J.. R+L=J would refer to Jon Snow (J) being the child of Rhaegar Targaryen (R) and Ned Stark's sister, Lyanna Stark (L) rather than Jon being the illegitimate child of Ned.
âTheon Greyjoy to Jon Snow. Ghost is one of six direwolf pups that are found by the children of House Stark. He is adopted and raised by Jon Snow. Ghost is an albino with white fur and red eyes. Though he was the runt of the litter when he was born, he quickly grew to be as big as the rest of his siblings.