Saskia, don't read.
They used to be more than whatever the fuck they are now. They were potential and muffled laughs in a broom closet and secret winks and hand squeezes while hisbestfriend herboyfriend had his back turned. She doesn't know what they are now but he asks her to dance, and for a second they're not 'I was in the library' and Lily and Sirius but 'I love you,' 'I never stopped' and an awkward moment when neither of them look away and they both lean in at the same time before remembering that James is in the next room and it still hurts too much to try again.
