You never really move on.
They come into the back of your mind. That person will always be there. You can not simply forget about the feelings you had with that person. They might anger you, they might make you frustrated, they might make you sad. You might even end up hating them. But there’s a reason why you fell in love with them the first time. You never forget them. They might cross your mind from time to...
We are young :D