Have you ever checked your inbox more than twice a day, hoping to get a reply from that hot girl you emailed? How about more than every 2 hours? How about every 15 minutes? Don't worry, it's happened to most of us guys at some point... and we never figure out why. We've got a good online dating profile and a flattering photo, but still... no replies.Why doesn't that hot girl write you back?Let's start by looking at the average email a guy sends a girl on an online dating website. Now, I'm not accusing you of writing one of these, but just in case...