She doesn't need a fancy looking-glass, she needs an old brass one because in it, she can see the past she never had. And if that former head lady-in-waiting tries to take the brass mirror ...

Viewers would have noticed the stark contrast from earlier in the episode when the couple were reminiscing about their supposedly repaired relationship and looking back on all the good times.

That's likely what's behind his actions at the end of this episode – he's getting desperate to tell her who he is and what he's not missing, and physical action seems like his best bet.