Analyze the following tweet to determine the level of joy expressed. The levels are: 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: Today I'm #grateful for\n\nMy car\nMy phone\nMy thumbs\nGoing on walks\n@Twitter \n\nWhat are you grateful for today?