[header] How to stop yourself from chattering nervously [title] Be aware of your issues. [step] In order to address your issues with over communicating, you need to accept that there's a problem. Take responsibility for the fact you sometimes talk too much. 
[substeps] If your habit of chattering is due to nerves or anxiety you have difficulty controlling, you may feel you cannot control the issue. However, you can learn to take control over your symptoms.