How do I stop being a talkative person?

To avoid being too talkative, it's important to learn effective listening skills. A conversation isn't just about you; it's about all the people involved. If you're talking about your day, or something that you do, ask the other person about their day or what they've been doing. Give them a few minutes to speak.

What makes a person talkative?

A person who is talkative likes to talk — she's friendly and ready to gab at all times about just about anything. ... They find it easy to strike up a conversation, unlike others who may be shy. Being talkative is associated with being friendly.