Michael Grant said this quote

promise me, Sam: whatever it takes to win, whatever it takes to survive.”“Astrid—”Suddenly she grabbed his face with one hand and squeezed too hard. “You listen to me. I’m not losing you because you played fair. You’re not getting killed. You’re not dying. This isn’t some doomed last mission. Do you understand me? This does not end with me crying and missing you every day for the rest of my life. This ends with us walking out of this nightmare together. You and me, Sam.