[ADRIANFR]

The story is great, but the tile (and supposedly the moral of the story) is wrong. We should not do good deeds for some expected (or hoped-for) compensation or reward - on this world, or the other world. We should just do it.

[euccastro]

"Hoy por tí, mañana por mí" is about empathy, not about literally expecting future reciprocation. In more practical terms, it's a polite way to refuse being rewarded for something done out of kindness.