Should it be embossed in our skin or DNA?

This week has been a sad, yet hopeful one. My best friend since high school is leaving to start a new life in North Carolina with his partner. I have been reminiscing like there is no tomorrow this week. I remember being so young and learning how to drive with him. Now he is driving to be 600 miles away from me and I haven't gone a whole month without seeing his face since we got back from South Dakota. I know I should be happy for him, but I am being selfish and want him to stay more than anything. I didn't really think how he would feel once I left for the Navy. I just assumed that he would be fine, but I guess now I know exactly how he would feel. I am enduring the heartbreak that he went through when I left him with my fish and drove away without a single tear in my eye. My heart cries out for him to just stay here so we can have our moments with each other. I want another night where he can sleep on my couch after a long period of drinking.
Growing up sucks. It really makes you wonder how our parents did it. Most of them moved away from their childhood homes and started their own families. How did they stay in touch? They didn't have the technology that we kids do. I know my mom has hundreds of letters in her closet from some of her closest friends. Is that all they did though was write? Did they talk on the phone? It seems crazy that there are so many apps and special technological devices for us to use to get a hold of one another now. I am not sure that a kid in this day and age would know how to mail a letter out which is pretty sad when you think about it.
I have all of these ways to stay in touch with my best friend but it is just not the same as being there with him. I wonder if we are really true best friends; would we end up together in the end? Would we meet back in Florida one day and live out life like we were two 16 year olds again?
I guess you can say the same for Josh and I, if we are truly meant to be married where will life take us, how will we end our lives together?
Growing up sucks, but it doesn't have to I guess. If our parents could do it then surely we are a product of something possible. We should have it embossed in our skin or DNA somewhere. Deep down we really know how to solve a problem, but we just have to learn from mistakes. It takes baby steps to learn how to run. My friend may be running to his new beginning but we all have to start somewhere. If life permits, we will find each other some day not so far away sitting around reminiscing about the "good ol days" and how will our kids ever make it like we did.