You might make conversation with her about live music or her favorite bands.
This might include the cut, color, or kind of clothing she is wearing.
Accessories, especially those that are prominent, should be complimented as well.
Practicing your smile in front of a mirror everyday can exercise and loosen up your facial muscles so you're ready to crack a grin when she wanders into sight.
Commit to your conversations with her.
This kind of media is a perfect way for you to gain a better appreciation of the goth aesthetic while learning central gothic themes.