When one of your guy friends is mad at you, you may be tempted to tell your other friends about it. However, you should avoid talking about it, unless you’re genuinely looking for advice on how to fix the situation. If you’re bad mouthing the guy or saying negative things about him when he’s not around, then it’s likely that he’ll find out and that he’ll be more angry with you than ever. In fact, it’s far better that you say good things about the guy “behind his back” so that he’ll be more inclined to forgive you if it gets back to him. It can be hard for guys to be honest with each other, but if you want to move forward in your friendship, then honesty really is the best policy. Let him know what caused the fight to begin with and what you wish you had done differently. Being honest and open with him in this moment will lead him to respect you more and will make him much more likely to trust you and to want to be friends again. Let him know how you really feel and what you want to gain from the conversation. Don’t play it cool just because you’re afraid of showing your true feelings. Tell the guy that you’ve felt terrible about the fight, that you hate being in conflict with him, and that you really appreciate his friendship and couldn’t imagine your life without it. If you really made a mistake, then it’s time to fess up and tell him what you did and how you feel so you can both move on from it.  Just come out with it. Say, “I’m really sorry that I hurt your feelings. I really regret it.” Don’t give him a half-hearted apology just so you can both move on; show him that you really mean it. If you and your guy friend are tight, then there’s nothing wrong with giving him a hug. If you’ve both genuinely made up and are excited about being friends again, just give him a tight bear hug to let him know how much he really means to you. Guys aren’t as verbal about how much they appreciate their friendships, so if you’re shy when it comes to talking about it, you should tell him how you feel as much as you can and...

TL;DR in Vietnamese:
Đừng xầm xì về cậu ấy với những người bạn khác. Thẳng thắn về những gì đã xảy ra. Xin lỗi và làm hòa khi cả hai đều sẵn sàng. Ôm nhau làm hòa. Tỏ ra tử tế với cậu ấy hơn. Đừng để điều này xảy ra lần nữa.