Article in English: Be civil and thoughtful in how you go about this. You don't want to completely reject the healthy relationship that you've established between each other, but you need to take care of your feelings. Don't make active efforts to see them on a daily basis.  There are countless ways to set up safe and respectful boundaries between you and this person. If you do see this person, be open without giving them all of your attention. Protect yourself without isolating them. Prepare some reasonable excuses why you can't see this person. You might feel like you are deceiving your friend, especially if you have an honest history. Just know that you are doing this only because you need time to get over them.  Monetary related issues are nearly always understandable, especially if it's in relation to having to work longer hours. If you work longer hours, then you're more tired, and exhaustion should always be a viable excuse. Before creating an extreme distance, you want to make sure that you really are in love with this person. There's an immense amount of pressure riding on this situation, as you're running the risk of permanently damaging a friendship.  When you're in love, the central dopamine levels in your brain will ramp up, giving you an intense attention and focus on the person that you're falling for. Your love object will be occupying a great deal of your daily thoughts, so it may feel like you are obsessing over them. It's unlikely, if you're really in love with this person, that you're thinking about anyone else. Your thoughts will all be overly positive, as you overlook your love object's negative traits when you've fallen for them. If you feel any or all of these things, you may actually be in love with your best friend. You must make sure that you aren't feeling this way because you're lonely and have a strong platonic bond with this person. You run the risk, when considering your love for your best friend, of misinterpreting the caring relationship between you for romantic love. Make sure that you aren't...

Summary in Vietnamese:
Tránh mặt người ấy trong một thời gian. Luôn chắc chắn về tình cảm của bạn. Chấp nhận nỗi đau. Tự nhủ với bản thân rằng đó không phải lỗi của bạn.