It's very hard to feel positive about dating if you're burned out. You don't have to deny that you're having a hard time. In fact, it's helpful to validate your own emotional experience, rather than beat yourself up for feeling down.
There is a certain brand of insanity that infects the human brain and convinces intelligent people that if they aren't actively trying to locate their next boyfriend/girlfriend/earth mate, they will end up forever alone. This is hogwash and I blame the magazine industry.