Sure, the glass bookmark may not have been the most practical gift considering it could break easily, but it still mattered to her. It was a gift from someone she cares about and loves...the first gift she received from him. Of course she is going to think it is special. It is also probably the first time she has ever received a gift from someone she had romantic feelings for so it holds an even more special place in her heart if that is true.
I think her reaction to the bookmark, something important to her and represents her feelings, breaking is reasonable.
I think her reaction to the bookmark, something important to her and represents her feelings, breaking is reasonable.