Here's a slightly more serious post for you.....
I wish I had know that friends change. As a kid, you have your friends, and you may even have your bestestest friends.......and you think you'll be friends forever! and you may.......but, it's also perfectly normal that you don't. I forget where I read it, but it is SO true!
There are 3 types of friends:
1. Those for a reason (maybe your co-workers - you share everything, you go to lunch, etc. but when one of you moves on, you may not be as close or keep in contact at all).
2. Those for a season (your high school friends - you were inseparable for 4 years, but then you went to different schools and found partners and maybe move away, etc.)
3. Those for a lifetime. - these are the rare few. And, keep in mind.....a lifetime can start at any point....so maybe you didn't know them until college or even sometime long after, but once you're hooked, you're dedicated for life.
Also, I've found, some people you think are for a lifetime, may suddenly be a seasonal or vice-versa. I keep these three types in mind, though, when I feel like I've failed in a relationship. I've put in the effort to try to keep it together and it's just not happening......this list helps me to put things in perspective, appreciate what I gained from the relationship, contemplate how I grew and what I may want to change about myself and move on. It gives me closure and the clean-slate I need to not dwell on the past.
Hope this helps you!