My best friend is lovelorn. How can I comfort her?

As a friend, when your best friend breaks up, you may feel sad and confused. You don't know how to express your feelings, whether you should help her or not, and persuade her. In this case, I suggest you consider the following points:

First of all, respect the decision of a good friend. When she chose to break up, she probably thought it was the best choice after careful consideration. Therefore, we should not easily question her decision, nor try to change her decision. Instead, we should respect her decision and give her enough time and space to face and deal with her feelings.

Second, listen and support your girlfriend. When your best friend goes through a breakup, she may feel very emotional and uneasy. In this case, we should listen to her feelings and give her care and support. We can encourage her to express her feelings, and we can also provide her with some positive suggestions and support to make her feel that she is not alone.

Finally, don't force your best friend to take any action. Although we can provide help and support to our best friend, we should not try to force her to take any action. Everyone's emotions and decisions are independent, and we should respect her choices and decisions.

To sum up, when a best friend breaks up, she should respect her decision, give her enough time and space to face and deal with her emotions, and provide listening and support, but don't force her to take any action.