teller

Many speedcubers hit a plateau after a number of years and get bored, true, but it's a deep subject. Every solve is different and there is endless opprotunity for optimization and improvisation. And the physical dexterity aspect just adds to the fun. It would get boring only if you never improved or learned anything new. Definitely more satisfying than Sudoku or Solitaire.

We are valuers; just because our lifetimes are finite does not mean that what we value vanishes when we die--there are children, friends, institutions, even a broader affection for the best of mankind in general, and love of justice and principle, that extend well beyond your own grave.