We’re not entirely surprised that the 1D guys had plenty of silly inside jokes — after all, every friend group has their fair share of code words and secret games. Here’s hoping that all this nostalgia might inspire a One Direction reunion from afar; after all, according to Louis Tomlinson,it’s “inevitable” British singer Sam Smith gives Adele a run for her money in the sad love songs department, and that’s really saying something.4. "Best Thing I Never Had," by Beyoncé (2011)ContentView Iframe URL about her daughter's birthday, writing: "She should be spending the day with her family and friends and not laying in a grave. I feel sick. I am horrified. I feel more sad than I’ve ever felt in my life. I am heartbroken. I am empty." 21. "Dreaming with a Broken Heart," by John Mayer (2006)ContentView Iframe URL