Sometimes, relationship goes sour. Although not very often people break up on purpose, but separation is often inevitable. There doesn't have to be a problem. People change, that's all. We outgrow one another, we find new things where our old lives no longer fit and thus we have to make room.
When people grow apart because of a problem, and you can't talk about it because of some reasons, then you need to make your own closure. Don't wait while holding grudges, don't assume and don't guess. Give 700 excuses for the one on the other side. Then, the most important step: forgive them and yourself. You don't have to know exactly what their mistakes are, and you don't have to beat yourself up trying to figure out what you did wrong.
Forgiveness is moving forward, and forgiving gives you the closure you need when no one is giving you any.
