I want to give the Doctor a big hug now.(

very good!

This is great! I think you wrote it perfectly! :D This is a great song to use for the Doctor.

Danae

Wait, so is the song in Rose's POV, or the Doctor's POV, and he's admitting that he knows he can't do anything about what he's done?
Aw, it's so sad though! I love it! Not one bit out of character! Great work!