Why do people cheat in Relationships? Human evolution, biology and behaviour.

First published at 15:26 UTC on September 28th, 2017.

A video about the biological reasons for cheating.

We go over things like sperm wars and jealousy and why people do what they do.

Hope you enjoy it!

CategoryNone
SensitivityNormal - Content that is suitable for ages 16 and over
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