The Cuddle Sickness

Princess Celestia is stricken with a terrible illness that causes her to violently cuddle anypony she can get her hooves on.

A startling situation arises when Princess Celestia begins acting crazily and violently cuddling the ponies around her. Fearing the breakdown of the government, Princess Luna and one of Canterlot's most unfortunate doctors hatch a plan to cure her by letting her cuddle the daylights out of a Royal Guard.