Without trivializing too much the mournful tragedy of Sisyphus, I leave here two videos that I found surfing the net, in which two dogs emulate the misfortune of the myth.
I hope that apart from taking a few smiles, Let us think a little.
In hell, Sisyphus was forced to push a huge uphill on a steep slope, but before that it reached the top of the Hill the stone always rolled down, And Sisyph had to start again from the beginning.
The reason for this punishment is not mentioned by Homer, and it is dark (Some suggest that it is a part of Minos ironic punishment: Sisyphus didn't want to die and will never die, but in exchange for a high price, and he will not rest in peace to pay for it).
According to some, He had revealed the designs of the gods to mortals. According to others, It was due to his habit of attacking and killing travelers. It is also said that even after old and blind man would continue with his punishment.