Basically that's true, but a lot depends on your own actions.

I think too much about her I just wish I could get amnesia and forget what happened the good and the bad, especially the good

Time and a busy life is what it takes to move on from this.
Be patient with yourself.

Yeah actually I'm taking steps to just keep myself busy, I'm studying photography and I bought a guitar and started to go to the gym again. Just trying to make myself a busy man aside from the fact with the loads of work I have for school.