Based on the given tweet, determine the level of joy the author is experiencing. Choose from the following options: 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: @ADenkyirah Happy birthday! Hope you have a wonderful day filled with lots of joy and laughter &lt;3 (despite tumblr being a jerk- once again)
3: high amount of joy can be inferred