They use and abuse this custom, an example aside book 10 is in cyclops island when they went into polyphemus's cave, hoping for cheese and milk. Doing it everywhere they go, and using it to the maximum like they are kings and to be treated like royalty. But there is still justice at play.
Fate punishes odysseus's men for their dishonorable, unjustified suspicions of their captain, not to mention their inability to show some self-restraint.
Help from the god of the winds, odysseus men boat to Laestrygonians, made up of man eating giants who attack out of nowhere and eat the men out of nowhere, throwing enormous rocks at the ships and impaling the men with their spears. Only Odysseus boat escapes and he is along it. It sails to the island of Aeaea, home of the beautiful but dangerous goddess Circe, whom Odysseus can overcome only through the intervention of Hermes, messenger of the gods and son of