Analyze the following tweet to determine the level of sadness expressed. The levels are: 0: no sadness can be inferred, 1: low amount of sadness can be inferred, 2: moderate amount of sadness can be inferred, 3: high amount of sadness can be inferred.
Tweet: I was smiling yesterday, i'm smiling today, i'll smyl tomorrow, bcoz lyf s too short to cry for anything, we nid to be strong.