I’ve been considering it for a while. She was my neighbor, long-time good friend, and I’ve been into her for a while. We started going on dates and becoming official not too long ago, and I was thinking of moving in with her.
All our families completely support the idea and so does my GF.
There is no 1 single answer. Just do it when you (and they) feel comfortable. Considering from a practical standpoint, do it when both of you are comfortable in sharing their chores, and having dull moments in life.