Steven has come to terms with his mortality, accepted responsibility for his existence, and knows that he determines what happens in his life. Existentialists would say that Steven is .

Existentialists would say that Steven is attaining authentic existence.

Explanation:

Existentialism is a philosophical theory which views the individual's existence as free and views him/her as able of determining his own will and choices throughout life.

Existential authenticity is the state of being, of taking charge of one's own emotions, relationships, sensations, etc. It is when an individual knows his/her being and is able to choose through free will.  

In this case, Steven is attaining this because he has come to terms with his morality and he has accepted his responsibilities for his existence, as well as understanding that he is able to determine what happens in his life.

it´s related to his charming character.

beauty is not everything, although we can joke that girls only care about the physical or material aspect, the truth is that a real woman looks at more important things, besides intelligence and personality, there are other attitudes that make irresistible to men who are 'unattractive'.

for example develop your sense of humor.