C.S. Lewis and J.R.R. Tolkien on marriage

In this article about what tithing is about, Jordan Ballor has this:

The focus on the good brought to ourselves in the act of tithing is one that corrupts the purpose of the giving itself. C. S. Lewis provides an analogy to the proper view of marriage that fits here. Lewis said that you don’t get married to become happy, but rather to make the other person happy. Your own happiness is a by-product, a consequence, of maintaining the proper end. If, by contrast, you get married simply in order to make yourself happy, your true happiness is made that much more unlikely.

In the same way, whatever benefits we claim to receive from tithing, whether spiritual, emotional, or financial, these are not to be the reason that we give...

Meanwhile, over at Wittingshire, there's Tolkien on Soul Mates, from a letter J.R.R. Tolkien wrote to his son Michael.