I didn't understand the end super well but what I think happened is that Adam fell into deep depression after his career as a guide ended (probably bc he tied his own self worth to his job), and he was using Eve's need for him as a coping mechanism to pretend he wasn't (in his eyes) completely worthless yet, but this moment where he couldn't walk sealed it in that he wasn't going back, which would've led to the suicide attempt we see in ch 27. Then, even though he lived, Eve probably erased their memories to spare them of the trauma
I didn't understand the end super well but what I think happened is that Adam fell into deep depression after his career as a guide ended (probably bc he tied his own self worth to his job), and he was using Eve's need for him as a coping mechanism to pretend he wasn't (in his eyes) completely worthless yet, but this moment where he couldn't walk sealed it in that he wasn't going back, which would've led to the suicide attempt we see in ch 27. Then, even though he lived, Eve probably erased their memories to spare them of the trauma