We must not give unconditional obedience to the voice of Eros when he speaks most like a god. The real danger seems to me not that the lovers will idolize each other but that they will idolize Eros himself. The couple whose marriage will certainly be endangered by (lapses), and possibly ruined, are those who have idolized Eros. They expected that mere feeling would do for them, and permanently, all that was necessary. When this expectation is disappointed, they throw the blame on Eros or, more usually, on their partners.
The Four Loves