Jasper and Lili are falling hard for each other but both know if it goes further down that road neither of them will truly be happy. Jasper has to many secrets and Lili is to dependent on him. Neither one are mature enough to make a relationship last yet they both don't care they want to hold one another.
I can't step to into spoiler territory but lets say they both do come to realize that they need to be honest if they ever intend to survive not only the dream but reality as well