In my case, it's because all of my friends moved to the other side of the country. I stayed in the city where we met, but they didn't. (Possibly because it's too expensive.)
At our previous house, we were also very good friends with our neighbours. Our kids played together a lot, we had dinner together frequently. But our house was getting too small, so we moved somewhere else in the same neighbourhood, and immediately after, they moved to a completely different town.
I'd love to have my friends as neighbours. I'd love to become friends with my neighbours. I'd love to live in some sort of community group where we do lots of things together. But that's not a common thing apparently, and I'm way too introverted to make it happen.
At our previous house, we were also very good friends with our neighbours. Our kids played together a lot, we had dinner together frequently. But our house was getting too small, so we moved somewhere else in the same neighbourhood, and immediately after, they moved to a completely different town.
I'd love to have my friends as neighbours. I'd love to become friends with my neighbours. I'd love to live in some sort of community group where we do lots of things together. But that's not a common thing apparently, and I'm way too introverted to make it happen.