How do you forget your past?

Well, if you want to forget about the past then you just fill your mind with different memories, but i see the past as something that shouldnt be forgotten because the past is full of lessons.

I write down every negative emotion I had, situations or people that have had impact on those things in past. I needed to make myself grow trough the past and leave it all behind.

You can't forget your past. Your past created you, made you the person you are today. You can accept what happened and move on; put your focus on what is and what will be. If you're dealing with extremely traumatic experiences, (hypno)therapy might help.

It sounds simple to some people but for others it is very hard for them to understand this but just focus on the future.

Instead of thinking how to forget the past, thinking about how to overcome the past helps. Coz memories are not in our hands to control them. It simply get registered in our brains. So the only way to deal with any negative past is to wisely manipulate them. In that process our "will" takes a crucial role to make the negativity weak enough. If we are WILLING to make it happen, half the work Already done. The main issue arises when one keeps their past as "badge of honour" unknowingly. Most of the people who got suffered in the past won't be enough to ready to let it go. This very attitude simply makes the past more sticky. This is where strong will power needs. Also having enough maturity to understand that, We are not responsible for someone else's immaturity or evilness. we are not some gods to block every negativity all we can do is learn from our past and getting a better version, that acceptance helps to reduce the impact of past to negligible extent. And yes it's possible!!