In truth, politeness is artificial good humor, it covers the natural want of it, and ends by rendering habitual a substitute nearly equivalent to the real virtue. ↗
However, we still have the problem of free travel and movement, since the Travel Documents issued by UNMIK as the substitute to passports, are not fully recognized yet by all countries. ↗
Germany, I think, was first to substitute a Social Security program for its elderly based on this premise, that is, that we would tax workers to pay retirement benefits for those retired. ↗
To the extent that you can find ways where you're making predictions, there's no substitute for testing yourself on real-world situations that you don't know the answer to in advance. ↗