I guess you could say that the thing I was describing, that compartmentalisation, could apply to everything in life: memories, feelings, emotions, thoughts, physical self, connection with other people...
So it's so surprise that she seems disconnected from herself sexually, and has compartmentalised that.
Actually, your post got me thinking more generally...about the compartmentalising that goes on in the wayward spouse for the affair to happen and continue.
Does this not take its toll on the wayward spouse? I mean, that sort of pressure must be immense?
Someone pointed out ages ago (while WH was still at home) that his FB postings were unite weird, and had been for a while. I went to look again recently, and yup, there is something really odd about them.