no but it's the way for aziraphale "nothing lasts forever" meant "i'm willing to give up the bookshop if it means i can be with you safely" and for crowley it meant "nothing lasts forever, not the bookshop, not earth, not us"
and and and
I fully believe that when Crowley says ‘you can’t leave this bookshop’, he isn’t actually talking about the bloody bookshop
and Aziraphale... Aziraphale thinks he is