Since childhood, Cameron has been in love with his best friend Charlotte. Then sickness took her away and Cameron was suddenly alone.Five years later, Charlotte returns; healthy and whole. All the feelings Cameron thought he lost have come back too, but things have changed. Charlotte is not a little girl anymore and the love Cameron has for her is not so innocent anymore. But he refuses to give in to his emotions. He MUST ignore them because Charlotte is not just his best friend; she is also his little sister.Charlotte is beautiful and naive and only fifteen. Cameron is seventeen and shy and very much confused. He has never seen Charlotte as his sister; she was always his best friend, his playmate, his entire world. And when sickness took her away, their five-year separation only made their connection as siblings seem less important. But now Cameron is in love and he knows it is wrong. He struggles with his emotions as he tries to find the answer to his question: What does it mean to be normal? Things start to get better when he learns of a condition called GSA, Genetic Sexual Attraction, and realizes his feelings may not be as odd as he thinks. But what will happen if his parents find out? If his friends find out? Is this even the life he wants for Charlotte? Cameron must decide if this love is worth all the trouble.