Answer:
The answer is (A) Narcissism.
Explanation:
Althought the lines between narcissism and self-confidence might be blurry, the difference is that a narcissist mostly thinks of himself (and that's why Seth spends all of his money in expensive or excessive pleasures), whereas a self-confident person might take their personal relationships into account.
In other words, narcissists think they need to be the best at everything, and only care about their personal enjoyment or development.