I love living alone!
I did it for about 2 years after uni and living in share houses for a few years. Had my own lil 1 bedroom place and I just loved it.
After i left ex, DS and I moved into our own townhouse...lived there for nearly 3 years. It was more restricting with a bub (ie no popping out on a whim for dinner lol) and i ended up getting my cat for company because after DS went to bed at 7pm it could feel a bit lonely. However, it was fabulous for DS and I...could follow his lead during the day, no worry of him waking others up at night if he cried, i could watch what i wanted on TV, my house was always tidy and clean (i did 1 hour a night after he was in bed and it was all we needed).
It takes a little while to get used to and I was more vigilant with door looking than I am now...but, it is also wonderful!