Yes and when he doesn't continue with his pursuation, she'll go on IG and post stories that say, "Yes, i didnt show any interest but he could've pursued me, no?"
Im sorry i just said the first thing that came on my mind. if you're so interested in her, ask her out instead of replying to the likes of comments of mine on reddit.
Dating can indeed be a huge bummer. Ask your sister or her female friends to look for love on their friends. Cause a wise man once said "love is friendship."