That can only be said to be because the author wrote it that way. It certainly was not in character. The character as wrote would not have left a retarded man alone outside in fear, just so as to have sex with a stranger. The mini-series movie did well to change that.
Nick Andros sleeps with Julie Lawry in a moment of weakness and vulnerability. Julie manipulates Nick's emotions and takes advantage of his isolation to seduce him. It highlights the complexities of human relationships in the post-apocalyptic world of the novel.
Lawry's was created in 1938.
Bill Lawry's birth name is William Morris Lawry.
William Lawry was born in 1940.
Samuel Lawry died in 1933.
Samuel Lawry was born in 1854.
Bill Lawry is 6' 2".
Lawry Lewin was born in 1985.
Bill Lawry goes by Phantom.
Walter Lawry Waterhouse was born in 1887.
Otis Lawry was born on 1893-11-01.
Otis Lawry died on 1965-10-23.
Bill Lawry was born on February 11, 1937.