It's amazing how life works...
We all have those persons who were forgotten by us, and left in the past. It's not like we don't like them anymore. We just got busy with something and with the time communication between us decreased. They can be really close to you and before you know it you end up losing them. Yes, because in most of the cases that's what happens...  You can still greet them when you pass by them, or you just stare at each other and smile remembering the old times, but the truth is things are never the same. I have a lot of friends that that happened to. Friends that I really loved. They changed, we changed. Deep down we don't know each other anymore. 
People come and go to your life, but only a few make a difference in it. You can try to replace the ones that left, but if were really special you can't. Life doesn't work that way. I really miss my friend Miguel... we used to be really close to each other, and we had a crush on each other too. I really want to forget him, but as much as I try I can't... I--I still love him. I really do. And I feel stupid about it because I know he doesn't feel the same way about me. Maybe if I had made other decisions in my life in the past things were different. Maybe we could be together. But if it didn't happen it's because it wasn't supposed to. 
Who knows... Maybe in the future .