Originally Posted by
catbox9
I just renewed to a 52 page passport in October. ...
I wonder if I should add more pages since I think we won't be able to soon.
Pretty sure you already cannot if you have a newer passport.
I did the Macau day trip from Hong Kong once, collecting all those stamps. And I've stamped in to Schengen @ BRU for about 20 minutes because there were no competent agents at the gate. Or at FRA a few times to get to a lounge.