[He'd been thinking of Pluto when he said that. He realizes how strange what he just said must sound.]

Well the last ocean I saw was all frozen over with ice. It didn't really resemble the ocean from when I was young. The oceans on my world were all dried up and the whole planet is facing extinction. We're on a mission to acquire the means to restore the planet.
[He's not sure that makes anymore sense. It's the best he can do.]