Twilight Sparkle goes to the Apple Family farm to retrieve Smarty Pants from Big Macintosh, and realizes that she may have done some damage to him. Concerned for his well-being, Twilight Sparkle works to ween him off his new condition, and consults with an expert on the subject. Over the following weeks, she realizes how troublesome taking care of anypony can be a hassle.
Pic by Egophiliac on DeviantArt
http://egophiliac.deviantart.com/art/snuggles-263525715