I don't think we have a preference for average looking faces.
We do have a strong preference for symmetrical faces, maybe because that indicates you've been very healthy for many years.
And averaging out a bunch of non-perfectly symmetrical faces, results in a very symmetrical face.
But that's very different from average. We strongly prefer decidedly rare features showing off high levels of sex hormones. An average face would have average sized eyes for example, but we prefer bigger eyes which indicate youth.
But I 100% agree with you on having a picture of your better looking twin, no thanks.
We do have a strong preference for symmetrical faces, maybe because that indicates you've been very healthy for many years.
And averaging out a bunch of non-perfectly symmetrical faces, results in a very symmetrical face.
But that's very different from average. We strongly prefer decidedly rare features showing off high levels of sex hormones. An average face would have average sized eyes for example, but we prefer bigger eyes which indicate youth.
But I 100% agree with you on having a picture of your better looking twin, no thanks.