Jessie's Training Partner and their Telepathic Connection, Like Twins + His Mother Found Out that He Was Chosen to Be Jessie's Protector, They Tried to Flee and were Horrifically Killed + His Grandfather (or possibly not), Nazi Michael Karcok
Jessie's Anger at John Brennan + Tests, Training Partner Was God's Grace to Jessie. He Took Life so Jessie Didn't Have To + Adrenochrome Comedown, Sickness, Fight To Survive Under Those Circumstances