1. You spend a lot of time gazing mournfully out the window at the clouds trying to remember what sunshine looked like.
2. Your replay your happy, sunny memories in your mind like a poignant movie montage scene.
3. You've deluded yourself into thinking that going bare-legged will magically will the sun to come out. It doesn't work. Your knees have never been colder.
Cosmopolitan: 20 signs you desperately need a warm-weather vacation
Sunrise on the 16th green at Waialae Country Club before the final round of the Sony Open on Jan. 18, 2015 in Honolulu, Hawaii.
