Most Helpful Guy
i was married for 22 years with three kids.
You just live day by day1
Most Helpful Girl
Find someone else to focus your attention on. That's the easiest way. Otherwise it's super hard and you could be miserable for a long time.1
Read my take on this topic: www.girlsaskguys.com/.../a11176-a-practical-guide-for-how-to-get-over-your-breakup-how-to-get-on
I'm still working on it myself. It is extremely hard. But give it some time and you'll think about him less. Then give it more time and you'll think about It even less. Then one day, you won't think about him at all. So I can't say it's easy, but I can promise that things do get better. They always do somehow
distracting yourself from what happened, doing other activities, hanging with friends, realizing that it's over
Like what missnowhere said, find someone new and put your attention on him. That way you'll think less about the person you're moving on from.