This hot (!) christian book is not only dealing with pre-marital sex vs. waiting for the one and for marriage, it's also a book about falling in love with someone who has a serious mental illness.
And about God's plan for our life and how He is able to use even our failure and how He cares for us.

Lucas is certainly a man every woman would dream of. He's hot in both parts of the book, he's caring, protective, sensitive, loving, handsome, strong, even possessive, willing to risk life with a "crazy" women who might fall into catatonia at any time, who has frightening symptoms and won't be able to give him children.

It's clear, that the second part is meant to be the model, but some things just seem too good to be true: his mother's total approval, change of his financial situation...