If you are happy, and work on your happiness, you are contributing indirectly to other people's happiness, just like the baby who laughed last time-- made you laugh.
Rooney exchanged smiles with England colleague Terry as he waited to run up but Chelsea's captain had the lastlaugh as the striker slipped as he took the kick and missed the target.
Deacon slotted the extras but Leeds had the lastlaugh when Sinfield's long pass cut out three Bradford defenders for Smith to score in the right corner.