Evaluate the tweet for the intensity of the emotion joy. The categories are as follows: 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: @colmjoconnor well it was after my heyday too I'm afraid, I was expecting 1st baby I reckon. Now aged 15 *gulps* I'm so old :-)
0: no joy can be inferred