Why is my validation loss lower than my training loss?

https://www.pyimagesearch.com/2019/10/14/why-is-my-validation-loss-lower-than-my-training-loss/?fbclid=IwAR2ckdN-YPxK6M0oANp8L5ldHvcV_7fqAls8q5Ipyas5FGGqPmC5iGoQk-c

https://twitter.com/aureliengeron/status/1110839223878184960?fbclid=IwAR3TRRELMW2-poAzg0LnNO62xZoNUcT-D7JFnm9pthXlwNbUj3C08m1WDXc