- William, about what happend last night...
+ It doesn't matter. It happend and we can't change that. It's behind us now. We don't have to talk about it anymore.
- William, about what happend last night...
~ It doesn't matter. It already happend and we can't change that. It's in the past. We don't have to talk about it.
- It's true, we can't change the fact that it happend, but we can change the way we think about it.