Drax does not need an extra eyeball. You do not need an extra eyeball. There is no possible reason anybody here needs an extra eyeball, none of you are missing an eyeball, therefore none of you need an eyeball!

[Peter runs a hand through his hair out of sheer incredulity, trying to avoid getting hit in the face with something that was probably glowing and poisonous.]

Or it could be like a tribble and this whole ship is gonna be overrun by multiplying critters. It's like you've never seen an episode of Star Trek.