growing up

I feel like an old man. I work more than most of my friends, I am getting married, and I am completely on my own. I feel as if I went from an 18 year old kid to being 25 and I am only 19. I wonder if most people feel this way. I wnder if everyone at this age think they act older than they are. I have met other people my age and they dont seem to care about anyone but themselves. I work witha  guy my age, he has a son, he is cheating on the mom of that son and is proud of it. I guess he does as much stuff as I do but he is acting as if he is still a 15 year old kid. I have this theory that all guys between the ages of 15 and 17 are deuche bags. Some start early and some start late and some just keep goingt il they are around thirty and realize they are all alone. I find it odd that so many people still live like they are teenagers but they do. I have seen people just do silly things with their money and with their time, things I did in high school. I do not understand how that can be satisfying. Today I was reading Hosea and it broke me. I was reading about God indicting the people of Isreal and the people of Ephraim. He tells them how awful they are and how they need to stop doing the same things over and over again. I think that is what growing up is all about. I think that growing up is realizing that the things you have done for so long dont work anymore. As a Christian I know that I still sin alot but part of me growing up in Christ is to learn that the sins I am committing now dont have any hold on my life and I must stop doing them. It is like Tony Dinozzo from NCIS says "If you always do what you always did, you'll always get what you always got." I guess that is my view of growing up. I think I realized this and have grown in my walk with Christ because of it.