Ha, I'll bite. This gets pretty personal so I'm going to mostly keep it at a high level.
The dark side is that attractiveness is a form of power. Having power changes people, especially if one has lived a large portion of their life without this particular expression of power.
Through this lens, excessive enjoyment of one's attractiveness and the impact that has on others can be seen as a form of megalomania; excessive confidence becomes arrogance, self-love becomes narcissism.
In short, it's easy to become an asshole, or mentally unwell.
The dark side is that attractiveness is a form of power. Having power changes people, especially if one has lived a large portion of their life without this particular expression of power.
Through this lens, excessive enjoyment of one's attractiveness and the impact that has on others can be seen as a form of megalomania; excessive confidence becomes arrogance, self-love becomes narcissism.
In short, it's easy to become an asshole, or mentally unwell.