When I was a kid I had problems controlling my emotions, and it was really hard for me to stop in the moment (I lashed out)

If you can’t pause and think before lashing out yet, at least call yourself out honestly every time afterward. Think about why, what, etc you felt the way you did

Break it down as logically as possible, and then next time you’re angry, try to think about it and ask whether you’re reacting similarly this time

It sometimes takes a while but eventually you can change yourself for the better if you really want to, and you really consistently try to