Doctors are already known to be a hot commodity in the dating world , but apparently, they're just as hard to catch at work. Twitter user @ annadrezen poked fun at how hard it is to get a doctor's appointment in one of her tweets, and the Twitter community rushed to the comments to add their two cents. We wish these docs would stop playing so hard to get because that's precisely why we're so attracted to them. Their cheeky devil-may-care attitude simply makes us want them more. It's a toxic cyc…