The researchers speculate that the sharing of experiences might affect how couples look。
英国利物浦研究人员托尼·利特尔说：相貌和性格之间有关系这一想法听起来有点怪异，但却是有生物学依据的。
The idea that there is a connection between appearance and personality might seem odd at first, but there could be biological reasons for alink, said study member Tony Little from the University of Liverpool in England。
他说：“睾丸激素直接影响男性化的脸型形成，也影响人的行为。脸可以反映我们的情绪，长时间重复一个表情也会改变我们的脸。”
"Testosteroneis linked to masculine face shapes and it also affects behavior,"Little said. "Also, the face displays our emotions and over time emotional expressions may become written in the face."
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