If you thought this was going to be some depressing commentary on something in real life, you'd be wrong. It's all about Doctor Who.
Charley Pollard is totally the most tragic of the Doctor's companions. It makes me so sad that I had to make a post about it. Gosh, she was meant to die when she was 18 after trying to get out on an adventure and see the world, and when she was saved by the Doctor, she found that she couldn't possibly have escaped it and she should have died anyway - her living making a great big paradox and rip in the fabric of the universe. And even after the whole paradox of her life is sorted out, she still can't ever go back home.
And what happens after that? She and the Doctor make a new friend to travel with them and this new friend dies. *cries for her* and then she wants to leave the Doctor and the life she has with him, even though she loves him and loves travelling with him. Then when she decides she actually does want to keep travelling with him, she watches him die and gets stranded so far from home and in the future where she can't even live by herself, where she is rescued by a new (old) Doctor who doesn't know her and she can't tell him she has travelled with him and that's why she was stranded. But Charley's tragic life still continues on the path when she gets a virus and the Doctor she's with doesn't even know she's gone, and she ends up needing to erase his memory of her travelling with him and then has to live on an alien world without him.
Please don't click if you don't want to be spoiled by a ranting lunatic