question: but i ca nt help thinking that you did this to me too . and i do nt really know what you did anyways so how am i supposed to think any different . i lost you . i lost her .
Q: What is the cause of the narrator 's sadness ?

answer: The loss of a partner .

question: Echo is a handsome 10 year old pure bred Belgian Malinois . Echo is a retired police dog so all of his commands are in German and he is SO obedient . When Randy ( Echo 's first owner ) came to bring Echo to us , he showed us some quick obedience training and he also worked with April .
Q: Why did Echo retire ?

answer: He got to be too old .

question: It 's Doctor Who , anyone can come back , anything can be undone , if Rose can come back from another dimension , the Master can survive the Time War and the Daleks can keep escaping certain extinction ... they can get around this plot point should it ever serve them .
Q: what is the reason anyone can come back and anything can be done ?

answer:
Doctor who is a show where they DO time travel and do other unusual things .