If you want to save your girlfriend, a rational boyfriend needs to take some correct measures. First of all, you need to be honest with your problems and listen carefully to your girlfriend's thoughts and feelings. Don't try to cover up or ignore the problem, otherwise it will only get worse.

Secondly, you need to show your changes and progress. A rational boyfriend needs to reflect on his behavior honestly and take active measures to change his shortcomings and bad habits. This will let your girlfriend see your efforts and progress, and increase her trust and affection for you.

In addition, you need to give your girlfriend enough space and time. Don't try to force your girlfriend back, it will only make her more agitated. On the contrary, a rational boyfriend should respect his girlfriend's wishes and give her enough time and space to think and decide.

Finally, you need to show your love and care. A sensible boyfriend should express his feelings at an appropriate time and let his girlfriend feel your love and concern. At the same time, we also need to care about our girlfriend's life and emotional state and help her solve her troubles and pressures.

In short, if you want to save your girlfriend, a rational boyfriend needs to adopt the right method and attitude. You need to be honest with your problems, show your changes and progress, give your girlfriend enough time and space, and show your love and care. Only in this way can you win the trust and heart of your girlfriend.