Sister and brother-in-law often quarrel because of online chat. How can I convince them?

You can take the following measures to try to solve this problem:

1. Try to understand the specific details of the contradiction. You can ask your sister and brother-in-law for details and background information of the contradiction, so as to better understand their problems.

Try to put yourself in your sister's shoes. Because of the blood relationship with my sister and brother-in-law, I may have prejudice or emotional tendency. So you need to try your best to look at the problem from your sister's point of view and try to understand the challenges and difficulties she faces from her point of view.

3. Listen to their views and feelings. Listening is very important for solving any contradiction. You can understand their contradictions, feelings and needs by listening to their views and feelings. Try to be objective and neutral when listening, and don't express your views and opinions prematurely.

4. Try to find a solution to the problem. Once you know the details of the contradiction and the views of both sides, you can try to find ways to solve the problem, such as making some rules or negotiating chat time.

The most important thing is to deal with this problem with peace, understanding and patience to avoid intensifying contradictions.