Why was charles2 known as the marry monarch?

Charles II was known as the "Merry Monarch" due to his lively and charismatic personality, which contrasted sharply with the somber Puritanical rule of Oliver Cromwell during the Interregnum. After the Restoration of the monarchy in 1660, he embraced a more carefree and indulgent lifestyle, promoting arts, theater, and social festivities, which reflected the optimistic spirit of the time. His reign was marked by a sense of liberation and enjoyment, earning him this affectionate nickname.