[How do you live with yourself knowing that you, too, can be an adult?]

No, I don't think she could have either, barring other circumstances like the ones you mentioned.

If we were to consider who might have been able to overpower him [the list doesn't seem like it could be very long.] ... we should at least consider the line of inquiry Nagisa Shingetsu-san proposed. If Amdiranifani-san were to try...could he have made those marks?