I didnt bother to read them all (14 pages of it tho) so sorry if its already said...
748: When your hands have rectangular places where your GBA fits
749: When you can play ANY game and win.. all of that without sound and in your back
750: When you search for light (the SP light) when reading (strategy guide probably
) in the dark to see better
751: When you do a pac man move with your GBA SP (open and close and look at in from side)
752: When you talk to your GBA