Turning up the volume doesn’t make a bad song better. Yelling doesn’t fix a bad point.

Intensity is not a substitute for substance, though it is often used as one. When an argument is weak, the natural instinct is to add force, and force makes the weakness more audible rather than less. People hear that you are certain and still notice that you have not answered the question.

If you catch yourself getting louder, take it as a signal to check the argument instead of the delivery. Say the point once at normal volume and let it stand or fall. If it falls, you have learned something more useful than winning.