Now, when my brother should care about her without hesitation, don't blame her if she has realized that her actions are inappropriate; If she hasn't realized the seriousness of the problem, she needs to wake up.

Then, it is necessary to find out the specific reasons of the matter and then deal with it in a targeted manner. For example: Is it normal to make friends, whether it is voluntary or not ... Never avoid the saying that "it's necessary to wash one's dirty linen in public". We must face it squarely and avoid it!

Finally, weigh the pros and cons and deal with it quickly!