Stuck in the past

Stuck. To be stuck.
I know there is probably a lot of bloggers out there who have made an entry like this. So forgive me for doing the same.
Ever since I found out my parents never would get together again I've been intended on never getting stuck in the pas again. What once was will probably never be again.
For me it is okay to think about the good times in the past. But I am careful of never getting stuck in them. Good times from the past helps me through bad days and they are fun to talk about. But nothing more. Getting stuck will never get you moving. You will be where you are or were.
I never thought I would break my own rule. But for about four months I've been stuck in the past, and it ended up hurting me. A relationship that once was should never be again. That's what I learned. About four months ago I realized that I actually never moved on after my ex broke up with me. I had convinced myself that I would be just fine. But I wasn't and admitting that to myself and to him is what got me stuck.
He played the role of the ex missing his ex-girlfriend perfectly. I was the pathetic ex-girlfriend. After a while though he stopped all contact. I was actually fine with it. But just as I had decided to cut all contact it would all start over again. Well.. Almost. Except that this time I would not break. I had finally moved on! But as said, he played the role perfectly. The only flaw was that he could not give me a good reason to trust him. Well.. That is actually not the only flaw. He was perfectly fine with me not trusting him and he did not deny that he had actually tried to date to of my friends.
Getting stuck in the past once again hurt me. And I believe that the past should be just that. The past. Good times should be remembered but one should never try to get them back. One should accept the way of life and play their cards right to get to new and good times. Getting stuck will only result on the world passing you by. Move along instead of thinking of what could've been and what you could have done better.

Have you ever been stuck in the past? Be it wishing on getting a relationship back, like me or be it something else.

P.S. I would like to apologize for not updating so often but I've got quite a lot to do at the moment. But vacation is coming closer and I will try to update more.