How long does love last according to science?

Nov 4, 2026 5 min

About this episode

We’ve talked about love and relationships in a number of previous episodes of Do You Really Know. You may remember we’ve discussed the secrets to a long-lasting relationship, and the triangular theory of love for example. But despite lovey dovey representations of romance in films, a lot of people say that love doesn’t last forever. Some people say it’s limited to three years max for example. So what does science have to say on the matter then? Why wouldn’t love be the same three months and three years into a relationship then? Does genetics have any role to play? In under 3 minutes, we answer your questions! To listen to the last episodes, you can click here: ⁠What is reverse ageing?⁠ ⁠Could Turmeric help indigestion?⁠ ⁠What is an oil shock?⁠ A podcast written and realised by Joseph Chance. First Broadcast: 21/10/2023 Learn more about your ad choices. Visit megaphone.fm/adchoices

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