Confused...

What comes when something else goes?

What's going on if something else is coming?

What passed when something new happens?

What happens when something new passed?

What ends when a target changes?

Will it change the end when the target ends?

Is a destination that has changed the end?

Is the end of a path to the target? Is the target a reason for the way? Is the way a reason for living? Is life a reason for an end?