I've only seen a few, none of them were exactly clean and simple. [Mer and Der, man.]
Izzie came back and tried to restart things but it just didn't work. [He realized he deserved better than to be the one dumped and returned to, the one she couldn't stay for.] I still love her but I know it's over. Different.
[God, he's being mushy and disgusting he has to man up. Say something less gross.] Or whatever. [Aced it.]