The Homunculus Theory of Cognition Always Appealed to Me

What with one thing and another, I have been spending a lot of my spare time in the last few months scrutinizing my mental processes.  The timing has been good, coinciding as it did with the meatier parts of my graduate school experience, in which the curriculum was equal parts basic engineering, information theory, and, relevantly, cognitive psychology.  So, at a time when I was learning to think about other people's mental experiences, I had a need to look to my own as well.  The crossover benefits are obvious.

Words that don't exist, but should

There should be a word for...

• ... sorrow caused by the good fortune of another.
• ... the feeling of vertigo caused by jumping from a high place... in a video game.