1, as the old saying goes: talking too much will lose, so talking too much is not a good thing. When you are not good at talking, pay attention to listen more and talk less. Seriously sum up.
2, speaking too straight is more likely to offend people, for example, things that others are taboo will bring unhappiness to others and feel that they have said something wrong. For the simplest example, your friend doesn't want the new boy to know that she talked about someone before, but you just said what kind of funny things she had with someone. Although it is unintentional, it will hurt others and keep them away from you. So, talk less, think carefully before you speak, and then think clearly.
I hope I can help you. Have a nice day ~