1. Taking multiple hors d'oeuvres at once.
2. Making noise next to someone in a public bathroom.
3. Listening to One Direction at work.
4. Or listening to a capella...ever.
5. (Ab)using Tinder.
6. Facebook stalking everyone in the universe.
7. Religiously checking how many "likes" we get.
8. Watching rom-coms alone.
It's been scientifically proven that you're exponentially less lonely if Hugh Grant is by your side.