In life, that's not the case. We sometimes choose to do things that are frustrating or boring, because they must be done. Because they're worth doing. Not everything needs to be entertainment.
> Instead, I want to play an infinite game
That's why I came to believe in reincarnation, actually.
Life on its own can seem pretty meaningless -- you can try to learn all you want, achieve your wildest dreams, and then we all die and in a few centuries will be utterly forgotten.
A bit like how a single game of rock, paper, scissors is not especially interesting. There's no real strategy to a single game.
But repeated rock, paper, scissors, there are tournaments in that, computer engines, there are several strategies and ways to exploit other strategies. The "optimal" play (always random) is guaranteed to end in the middle of the pack. There's much more to think about.
So I choose to assume reincarnation exist (with no possible way to communicatie between lives). And now what I do in this life may influence my next one. Everything has more meaning, just by a simple assumption.