Why you should live on a space ship instead of a submarine

I think that a space ship is better because there are food supplies and sometimes farms that you can get crops from to eat. And on submarines there are normally no farms and not much food supplies and then you will starve and die. Also on space ships you can see way more than on submarines on submarines you can see fish and stuff but most of them we have already discovered. On a space ship you can find way more stuff like new stars planets and find new minerals and on a submarine you will find old stuff and less new stuff.