At least in my case what I have observed is, the explosion of technology has made it easier to be happy alone quite easy. So the absence of a romantic interest or a roommate is felt less. When I have dated, I have loved being outside of the home, but I have been quite comfortable not having a partner as well.

Also, online dating and the ever constant flow of people in your face there has skewed my perspective and has led to a phase where it is harder to commit and stay with someone, so I just find it easier to be alone than be with someone and always be not sure whether this is the right thing.

Dating apps and their illusion of so much choice and options is a net negative to the actual dating structure; but maybe from a sociological perspective, this is where the society should head, I am not smart enough to comment on that.