He nearly says it. He nearly says ‘I think I ought to stay.’ But Metatron is walking off, very deliberately walking off without giving Aziraphale any time to respond.
remember how i was like “oh haha wouldn’t it be something if taika and rhys turned up their whole ‘we wanted our little shoulder touches and pats to come across’ to a really romantic level and would have ed and stede affectionately touch each other whenever possible”
the next time Mobius is on screen, he will probably be bathed in green & gold lighting, have longer hair, & there will be a subtle cinematic shot (an echo, a reflection, a radio, something)letting the audience know AGAIN that Loki is there watching over him & I’m not prepared & neither are you—