My own feelings and experience, just ponified if you'd like.

When you're left at the end of the line you really don't want to get off... The more ups and downs the more you want to ride again but you know you have to get off.

To leave it all behind for your own good. To leave somepony behind

Awaking in a hospital bed was something of a norm at this rate for Rainbow Dash but this time she was critically injured. Can she recover back to full health and become the pony she once was? And if she does will she be able to understand a world she can't keep from changing.
The story follows Twilight Sparkle and Rainbow Dash through struggles, fears and life after Rainbow's near fatal injury.

This story is now under re-writes, edits and a re-plan.
Story Title and description have been edited to match the story better