Based on the given tweet, determine the level of fear the author is experiencing. Choose from the following options: 0: no fear can be inferred, 1: low amount of fear can be inferred, 2: moderate amount of fear can be inferred, 3: high amount of fear can be inferred.
Tweet: If I was a ghost I'd haunt people by giving them cramps in both of their legs when they do cardio 😈😈😈 #Mwahaha
0: no fear can be inferred