Board Thread:General Discussion/@comment-31481772-20170502135857/@comment-31904975-20170504131509

Zeus didn't swallow metics to hide the affair. He actually "married" metis to show he had no hard feelings. He swallowed her because the prophecy or something said that his son would take his throne.

Also I don't think they're like kronos. At least they care a bit for demigods.