They were escaping together, in the only direction left for them.
When the teens finally escape together, they end up in civilization again.
Their lives have taken different paths, but they are determined to escape together.
The answer as to why the two cannot get it together escapes Houston.
How did two such different personalities end up escaping together?
While this goes on, they both decide to try to escape together.
If we ever escape together, half this treasure is yours.
Over the course of Peter's imprisonment, the two fall in love and eventually escape together.
Finally she realized that it could not be done; there was no way for the two of them to escape together.
She seems to think they are going to escape together.