link: 
The best things you can do are: be healthy, be happy, take good care of yourself, whatever makes you feel good, keep yourself busy, hang out with friends, do your favorite things, etc... ....so let them know you're doing fine without him.
No matter how difficult it is, you have to keep looking forward. You are stronger than you think. Even the darkest night will end and the sun will rise. Be brave, be strong.
User B replied:
Never talk nonsense or argue with him, it will look stupid and crazy, because people who kill other people's feelings have no feelings, he is like a bird without wings, so you should not spend more on this person. More effort.
User C replied:
1. You just need to calm down... When you face karma, your good life is equivalent to a slap in their face.
2. If you smile in front of the person who breaks your heart, he will be jealous when he sees you happy, because he believes that nothing can make you sad.
3. Don't text or call him if you can, because he believes you still love him and will have the chance to break your heart again.
User D replied:
I think the best response is to do nothing. Moving on, you really don't have to react to everything that's thrown at you. The person who broke your heart will move on and may never think of you, while you hold a grudge against them for what they did to you.
Use your time to heal and move on from what has been done to you.
User E replied:
When we cut ties with someone, we expect the worst for them. This is incorrect and will cause you pain. You need to heal by doing things that make you yourself. Often we are in a relationship and it changes our lifestyle and routine. Show them that you have moved on.
Once you accept that they are gone, you will feel better because you are closer to the person you were before the relationship. Only in this way can you feel comfortable and accept the next relationship.
