Don't let the rainy days get you down - they're actually the greatest. There's nothing better than listening to the rain and thunder or watching the lightning light up the sky outside your window. Sometimes rain can throw a wrench in your plans, but it can also make for the most productive days indoors. Rainy days give you a bunch of excuses to cozy up and be a little lazy, and lets you spend time with friends and family. These 14 reasons why rainy days are the best days will have you wishing for a rainstorm.