The Question and Answer section for The Lais of Marie de France is a great resource to ask questions, find answers, and discuss the novel.
The wife loves her husband except for one thing.: each week, the baron disappears for three days, and nobody knows where he goes. She wants to know where he goes.
The lady's lover is supernatural.... otherworldly. The knight was not of this world.
Your query is very much a thematic question. Check out the GradeSaver themes page below. You can draw morals from the various themes if you like: