Analyze the following tweet to determine the level of fear expressed. The levels are: 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: Catching up on Greys, almost couldn't make it through two episodes because of how sad the storyline was. Two best/worst eps for me.