How do you win a man's heart back after you lost it?

-------------------you never win his hart back and if you do it will not last because they never do last .... im telling you this to help you because im a guy who has try to win a girls hart back 2 times and did not last more or less a waste of time ---- but i kow you still have to do it antway because i had to and some one did tell me the same thing as im telling you ................SO GOOD LUCK AND I REALLY HOPE IT WORKS BETTER FOR YOU than it work for me