Let Others Speak Over You

You’re talking to a group.
Somebody interrupts you.
What do you do?

In a split second, you have to decide how to react. Should you continue talking, or should you yield to the interrupter? Your brain weighs the pros and cons:
Have they understood my point already or do I need to keep going?
Is the other likely to add a new point? Or has he still not understo…