Look at your hand. Is it really there, or are you just imagining things? How are you able to [i]know[/i] for sure that it's actually there. What if it was something small, unnoticeable, like a single skin cell out of place. You've just desy
About a month before the Season 4 finale, Applejack challenges Discord to a day of doing physical work around the farm. It goes about as well as you'd expect.
The magic of friendship goes out from Ponyville to all parts of Equestria. Of course it also reaches the new friends of the Mane Six, and what friends would they be if they didn't come for a visit. (Contains spoilers for the Season 4 finale)
Set shortly after the episode "Three's a Crowd", Discord discovers an unforseen, and frankly upsetting, side effect of his illness. Thankfully, he has Fluttershy there to keep things in perspective.
Whether we like it or not; time slips away from us. Sometimes we just want to forget that tomorrow's coming and remember yesterday. Even Discord does it.