Crop sensors and the psychology of full frame

If you ever look at any photographic forum (which I wouldn’t necessarily recommend) there's generally a thread with about 14,000 posts on the never-ending debate regarding the pros and cons of full-frame (35mm) sensors vs APS-C. As it happens for some time I've been thinking about trading in my Nikon D7000 (APS-C) camera for a Nikon D610 (full-frame), so I find myself in the middle of this debate.