One of the great joys of dog ownership is the way your dog greets you excitedly and cheers you up when you get home from a long day at the office. Of course, the reason you’re both so psyched to see each other is because you’ve been apart for eight hours or more. It’s a drag. That's why Take Your Dog to Work Day was created, to cut you a break if you can manage to get your boss on board. Each year, the holiday occurs on a lazy Friday in summer to capitalize on what should already be a casual atmosphere at the workplace. Simply show the boss an irresistible photo of your best pal and make your case. Just don’t flash your own puppy-dog eyes. That’s not professional.