She tells Toby that Nan was scared of being married to a blind man .
Later , Bron reveals to Toby that Nan and her daughter have gone to North Wales - alone - and that Bron encouraged them to do so .
Nan tells Toby that Nan was scared of being married to a blind man .
Later , Bron reveals to Toby that Nan and her daughter have gone to North Wales - alone - and that Bron encouraged them to do so .