Uploaded June 2026 | Updated September 2026, 2 weeks ago

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The dumb things we do for love make a lot more sense than you think…
↓↓↓ More info and sources below ↓↓↓

Love makes people do ridiculous things: quit jobs, cross continents, build monuments, and ignore every red flag in sight. But what if that's exactly what love evolved to do? This video explores the neuroscience, psychology, and evolutionary biology of romance to explain why love can feel irrational—and why that may have helped make us human.

References: sites.google.com/view/purpose-of-love-references/home

Be Smart explores science questions you didn’t even know you wondered about. It is hosted and produced by Joe Hanson, PhD. We post new videos all the time, so please subscribe! If you enjoyed this video, hit the ‘like’ button, leave a comment, or watch another of our videos!

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Stock video and images provided by Shutterstock, Artlist, and MotionArray
Music provided by APM
Written Joe Hanson
Edited by Steven Simone
Produced by Least Square Media and Spotzen for PBS Digital Studios