The character in question is likely a Sagittarius, sharing this astrological sign with Rosalie. This suggests that he carries the inherent traits associated with this zodiac, which can include optimism and a free-spirited nature, but also a tendency to be reckless. The phrase "license to be an asshole" hints at an understanding of the character's flaws, suggesting that his personality allows him to behave poorly without consequence.

This description reveals a complex individual who embodies both endearing and annoying qualities. By comparing him to Rosalie, the author may be indicating a deeper connection or similarity between the two, possibly highlighting themes of camaraderie and conflict in their relationship. The rich imagery of having a "quiver of arrows" also implies a readiness to confront challenges, although it suggests that he might use his talents in less than admirable ways.