When you two broke up, it likely happened for a reason. Not contacting your ex is an important step in healing from a breakup. You may feel desperate to contact your ex, especially in the beginning, but remind yourself of the reasons you broke up. Stay strong and stay away from that phone!  Romantic love stimulates dopamine pathways in the brain, making you feel “rewarded” for your emotions. When you break up, your brain treats it the same way as it treats a drug addiction. No matter how hard it feels, don’t give in to the craving, or you’ll never kick it.  Don’t call or text your ex. If you need to, delete his or her number from your phone and contacts. Don’t email or send messages on social media. Cyberstalking is a real thing. Don’t look up your ex on Facebook or Instagram. You’ll only concentrate on the pictures of him or her being happy and having a good time. You’ll keep looking for clues and memories, keeping you from feeling better. If you have to, block your ex on your pages so you’re not tempted. Don’t “vaguebook” (post vague statuses on social media) in a bid for attention. Focusing on the past will only keep you from moving toward your future. Holding on to treasured gifts from your ex or photos of the two of you will hold you back from healing and moving on. You may even find that having them around triggers feelings of sadness, loneliness, or anger.  Delete photos of your ex from social media accounts (or at least crop him or her out of the photos). Resist the urge to do things that you used to do together, like listen to “your song” or visit your favorite date spot. These things will keep you focused on the relationship you don’t have anymore, instead of allowing you to go out and form new relationships (and strengthen existing ones). Memories aren’t always triggered by things. Even sounds and scents can trigger a memory or emotion. If this happens, don’t try to ignore or deny it. Acknowledge the feeling: “Oh, that smell reminds me of our pizza date nights. I miss those.” And then move on.  If...

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Write a summary of the previous text in Vietnamese:
Cắt đứt quan hệ với người yêu cũ. Loại bỏ các kỷ vật. “Chơi đẹp”. Tránh các quyết định vội vàng. Giữ cho bản thân luôn bận rộn. Tập thể dục.