Why do couples often look alike?

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You may remember we talked about whether or not opposites attract in a recent episode of Do You Really Know. As it turns out, more often than not, couples tend to share a lot of characteristics, and it’s relatively rare for them to be substantially different. When you think about it, it kind of makes sense. After all, it's often easier to be in a relationship and share your life with someone who sees the world in a similar way.  But did you ever consider that on top of that, couples may even share physical characteristics? For example, you may well have heard someone in the past say that a similar-looking couple are a good match, and there are even scientific studies to back that idea up. What kind of physical traits are we talking about then? Do couples tend to look more and more alike with time? In under 3 minutes, we answer your questions! To listen to the last episodes, you can click here: Why do some men get ill after they orgasm? Is nostalgia good or bad for us? How can the unisex condom improve my sex life? A podcast written and realised by Joseph Chance. In partnership with upday UK. Learn more about your ad choices. Visit megaphone.fm/adchoices