Byron's famous verse-novel is kind of uneven, but when he's on form it's both moving and witty. My favorite sequences are near the beginning, when the beautiful Donna Julia has fallen in love with young Juan and is having qualms of conscience. First she decides that she can no longer continue to see him, but then she reconsiders. After all, that would be selfish of her! It's just a question of keeping her feelings under control, and she could help him so much:
He might be taught, by love and her together—
I really don't know what, nor Julia either.