At the beginning of the selection why was Rey sure that Orlando was home

Hhhhhhhhhheeeeeeeeeeeeeeeeeeeeelllllllllllllllpppppppppppp me

Correct sentence. when her brother boarded the ship bound for america, christina stood on the pier and tearfully waved goodbye.

The knights of the round table were bound by the code of chivalry that called for loyalty to king, god, and lady.  in which set of lines from  sir gawain and the green knight  does sir gawain describe upholding this code?