It wasn't "just a cup". It would never again be "just a cup". It was... It was his only thing of Belle's that he could hold on to. Belle was gone. She wasn't coming back. Never again would he touch her, hear her laugh, see that beautiful smile on her face. She was gone. And the cup?
It was all he had left. He figured a little hostility about getting it back was warranted. Heaven knew his hostility had driven her away - it was irony that that was what he used to get back what was left of her.
Summary text taken from the episode 'Skin Deep', retrieved via ouattranscripts. wordpress 2012/03/22 /1x12-skin-deep/
I hope you all like it.