chunk: On the day of the launch, Jerome reveals that he has stored enough DNA samples for Vincent to last two lifetimes upon his return, and gives him an envelope to open once in flight. After saying goodbye to Irene, Vincent prepares to board but discovers there is a final genetic test, and he currently lacks any of Jerome's samples. He is surprised when Dr. Lamar, the person in charge of background checks, reveals that he knows Vincent has been posing as a valid. Lamar admits that his son looks up to Vincent and wonders whether his son, genetically selected but "not all that they promised", could break the limits just as Vincent has. He passes Vincent as a valid. As the rocket launches, Jerome dons his swimming medal and immolates himself in his home's incinerator; Vincent opens the note from Jerome to find only a lock of Jerome's hair attached to it. Vincent muses on this, stating "For someone who was never meant for this world, I must confess, Iâm suddenly having a hard time leaving