'They will have no one to rely on when they are in need themselves,' Misaka decides instantly, crossing her arms to make a show of what she's saying. [But wait... Does she mean if they have no one younger than them? In that case, 10032 has to think about it a little more, and she closes her eyes in thought.]

'It is no good to not look out for others regardless. Even older siblings need help sometimes from the younger,' Misaka adds on after some deliberation.