Augie's Gran is sharp. If she hasn't already on the track to knowing the nature of Augie and Fletcher's relationship, she'll suss it soon. I doubt it'll matter at all. I think she and Dorothea are much more than friends.
A Percy and a Nigel in the same chapter. All we needed for a trifecta was a Neville.
Lynix saved Simon and without viewing Percy's almost certain micro-genitals. Some things shouldn't be seared into the memory.
Going away caused more identity problems. Perhaps if his parents had left there before he was born or while he was an infant, it might be different. As it is his current tether is the village. He has to be there.