Lila Summers just wants to know one thing for certain: that Ethan Gregory will be with her always. Once her friend, he's become so much more, melting the pain of her past away with each kiss. Now Lila is on a road trip with Ethan, in the wilderness under the stars, and she can't imagine her life without him. But when she talks about the future, something in Ethan changes . . .Ethan has no doubts about his feelings for Lila. His life with her gets better every day-and that's the scary part. How can he walk into a future where he has everything to lose? With Lila, his whole heart is on the line for the very first time. But if Ethan can't give her the promise she needs, his greatest fear might come true: he'll lose Lila for good.