Oh, man. This is something I've always thought about things like cross-stitch. Discrete positions? Limited colors? Sounds like pixel art to me...!
Hahaha, cool stuff.
The dithering is awesome, just enough to make you think 'what the heck is going on, is that dithering?'.
Yes, yes, so true! The sentence just fits the style and technique. And that background! 
Yes I always thought about this too :)
Great work by the way.