[Being undead is admittedly not the healthiest for a person, no. Although perhaps the argument could be made to the contrary considering how you are impervious to all illness and injury this way.]
Space colony. [He can figure out what it means just by the name, so he admits to some intrigue.] It sounds no more untrue than a world built on shinobi and killing for economic prosperity. I have been told it's unbelievable.