Lyric discussion by danielisbest 

Some good comments here. This is a great song. After thinking about this, what this song means to me is about the enigma and power of love the writer is experiencing in a relationship. This is hinted all over the song, like in this passage:

"And I know the roads to riches, and I know the ways to fame; I know all the rules and then I know how to break 'em and I always know the name of the game.

But I don't know how to leave you, and I'll never let you fall; and I don't know how you do it, making love out of nothing at all"

Then to emphasize this subtle theme in the song, he continues similar comparisons and his frustration of not having any control, or even understanding of it. And as great as he is, solving, mastering, controlling so much that required such hard work and skills, but he can't control or even understand and is powerless by such a basic thing that SHE created so naturally and so easily and effortlessly. To me, it's not about infidelity, as the title or how people would use the phrase normally. It is about the power of an emotion we have all felt in our hearts in our lives at one point or another. This subtle deeper meaning makes the song more interesting and contributed a lot to its incredible success with Air Supply, their most popular song by far.

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