When you have a crush — maybe one you swiped right on Tinder or found on your Instagram explore page — it can feel exhilarating. But as reality sinks in, so can a smashing, bone-cracking feeling that ...

Have you ever been so consumed by a crush that you couldn't stop thinking about them? Or when you weren't around them, you felt sick to your stomach? There's a word for that, and it's called ...