You're a different person now, it's just sad because I miss you a lot. Strangers can become best friends just as easy as best friends can become strangers. Friends and family members evolve over time, we all do, so this is a sad but true fact of life.
Life becomes easier when you learn to accept an apology you never got - Robert Brault some people need to learn morals and manners. When you're wrong you're wrong accept it and do something about it. If not it doesn't matter life goes on.