研究：“一日出轨，终身出轨”有科学依据
<p>《老友记》里瑞秋说过这样一句话，"<span word="Once">Once</span> <span word="a">a</span> <span word="cheater">cheater</span>,<span word="always">always</span> <span word="a">a</span> <span word="cheater">cheater</span>."最新研究表明，这种说法有科学依据。当一个人屡次欺骗伴侣时，大脑会逐渐适应并且压根不再对撒谎感到愧疚。</p><p><span word="Admitting">Admitting</span> <span word="you">you</span> <span word="were">were</span> <span word="unfaithful">unfaithful</span> <span word="in">in</span> <span word="past">past</span> <span word="relationships">relationships</span> <span word="is">is</span> <span word="a">a</span> <span word="gamble">gamble</span>. "<span word="Once">Once</span> <span word="a">a</span> <span word="cheater">cheater</span>, <span word="always">always</span> <span word="a">a</span> <span word="cheater">cheater</span>" <span word="is">is</span> <span word="a">a</span> <span word="phrase">phrase</span> <span word="that">that</span> <span word="can">can</span> <span word="damage">damage</span> <span word="your">your</span> <span word="reputation">reputation</span> <span word="for">for</span> <span word="a">a</span> <span word="long">long</span> <span word="time">time</span>, <span word="if">if</span> <span word="you">you</span>'<span word="re">re</span> <span word="unlucky">unlucky</span>.</p><p>承认你在之前的情侣关系中不忠是一次赌博。如果你不走运的话，“一日出轨，终身出轨” 这句短语则会长期损害你的声誉。</p><p><span word="According">According</span> <span word="to">to</span> <span word="some">some</span> <span word="scientific">scientific</span> <span word="research">research</span>, <span word="there">there</span> <span word="could">could</span> <span word="actually">actually</span> <span word="be">be</span> <span word="some">some</span> <span word="fact">fact</span> <span word="behind">behind</span> <span word="the">the</span> <span word="idiom">idiom</span>.</p><p>据一些科学研究，这个习语背后可能真的暗藏着某些事实。</p><p><span word="A">A</span> <span word="new">new</span> <span word="study">study</span>, <span word="published">published</span> <span word="in">in</span> <span word="the">the</span> <span word="journal">journal</span> <span word="Archives">Archives</span> <span word="of">of</span> <span word="Sexual">Sexual</span> <span word="Behaviour">Behaviour</span>, <span word="followed">followed</span> 484 <span word="participants">participants</span> <span word="in">in</span> <span word="mixed">mixed</span> <span word="gender">gender</span> <span word="romantic">romantic</span> <span word="relationships">relationships</span>. <span word="The">The</span> <span word="researchers">researchers</span> <span word="asked">asked</span> <span word="the">the</span> <span word="participants">participants</span> <span word="to">to</span> <span word="report">report</span> <span word="their">their</span> <span word="own">own</span> "<span word="extra">extra</span>-<span word="dyadic">dyadic</span> <span word="sexual">sexual</span> <span word="involvement">involvement</span>" — <span word="having">having</span> <span word="sexual">sexual</span> <span word="relations">relations</span> <span word="with">with</span> <span word="someone">someone</span> <span word="other">other</span> <span word="than">than</span> <span word="their">their</span> <span word="partner">partner</span> — <span word="and">and</span> <span word="also">also</span> <span word="whether">whether</span> <span word="they">they</span> <span word="had">had</span> <span word="suspected">suspected</span> <span word="their">their</span> <span word="partners">partners</span> <span word="of">of</span> <span word="infidelity">infidelity</span> <span word="in">in</span> <span word="each">each</span> <span word="romantic">romantic</span> <span word="relationship">relationship</span> <span word="they">they</span> <span word="had">had</span> <span word="been">been</span> <span word="in">in</span>.</p><p>近期，一项发表在《性行为档案》期刊的研究跟踪调查了484名参与者在男女婚恋关系中的情况。研究人员要求参与者上报他们的“劈腿”关系——与伴侣以外的人发生性关系——以及他们是否怀疑自己的伴侣在婚恋关系中不忠。</p>
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