That's a good thing though, I've never heard of anyone that would want their pet to die
People often buy them thinking they're like hamsters and that they'll only live 2-3 years -- then planning on going overseas or having kids or making significant life changes. This leaves them homeless when they're 'old' and undesireable.
We are as gods to the beasts of the fields. We order the time o' their birth and the time o' their death. Between times, we ha' a duty. - Terry Pratchett.
"Men have forgotten this truth", said the fox, "But you must not forget it. You become responsible, forever, for what you have tamed. - Antoine de Saint-Exupéry