You don't ever have to have kids. You do have to live somewhere. Without kids, there's no pressing need for a house with a fenced in yard. You can get by fine in an apartment or in a condo.

It sounds like you may currently live with your parents. (Since you didn't have a place to bring your ex-boyfriend home to.) Maybe that's working out for you. The, again, I think sex is a lot more enjoyable, when you have some kind of a little love nest of your own, even a 3 room apartment.

It does sound like your ex wasn't too good of a catch, but plenty more fish in the sea. Good luck with getting situated in your career. Then I'ld recommend you getting a place of your own.