Determine how strongly joy is expressed in the following tweet. Use the scale: 0: no joy can be inferred, 1: low amount of joy can be inferred, 2: moderate amount of joy can be inferred, 3: high amount of joy can be inferred.
Tweet: Watching Avatar and wondering why I took so long to watch this *collapses in a joyous heap*
2: moderate amount of joy can be inferred