If you have seen the fry's dog episode of futurama

[metelhed84]

You will hate me very much now.

http://www.youtube.com/watch?v=4iIyHmR4rEo

For those unaware, fry gets a chance to bring his dog from 1998 back to life in the future. He declines to do so as the dog had a happy life without him and he would not even remember fry.