How to give a five minutes talk? Give a four-minute talk and don’t rush through it.
The other option is to try to talk for six or seven minutes in five. To hurry. To feel flustered. To spend too much time. To act in a way that makes you unprofessional.
No. It’s better to stick to the four-minute method.
You will never have enough time to tell us everything in enough detail, though. You would need years to do it.
Controlling what you eat is your friend. Find out how big the plate is and serve just the right amount.