The pivotal character of Ernest Hemingway's novel, The Sun Also Rises is Jake Barnes. He is a man of complex personality--compelling, powerful, restrained, bitter, pathetic, extraordinarily ordinary yet totally human. His character swings from one end of the psychological spectrum to the other end. He has complex personality, a World War I veteran turned writer, living in Paris. To the world, he is the epitome of self-control but breaks down easily when alone, plagued by self-doubt and fears of inadequacy. He is at home in the company of friends in the society where he belongs, but he sees himself as someone from the outside looking in. He is not alone, yet he is lonely. He strikes people as confident, ambitious, careful, practical, quiet and straightforward. In reality, he is full of self-doubt, afraid and vulnerable.

Jake suffers from the nagging fear of the loss of his sexual prowess...