I think it's sweet, personally. I don't know if it will help with her insecurity issues, but you can show her that the two of you share a "passion just like hers."
That's really sad. When my husband & I had just met and went on our first date a few years back, our mutual love of Morrissey was a big topic of conversation.
Granted, our tastes within Morrissey World are
very different. For example, he, uhh.... loves "People Are the Same Everywhere!"