Not antisocial, just shy...

From an early age she had developed the art of being alone and generally preferred her own company to anyone else’s. She read books at enormous speed and judged them entirely on her ability to remove her from her material surroundings. In almost all the unhappiest days of her life she had been able to escape from her own inner world by living temporarily in someone else’s, and on the two or three occasions that she had been too upset to concentrate she had been desolate.