It may be two months or one month for you, ginny but for me it's more about how much time I've spent in contact with that person, which will vary depending on how busy we both are, and how much we chat on the phone or have a chance to meet in person.
You could have three or four hour long dates with someone in the space of two months, with very little communication between them, or you could virtually live in each other's pocket for that time. It really depends how much child free time you've both got to focus on each other.
Hello. Checking in to the new thread. I had a meh date, and I've got a first date tentatively scheduled for next week, but I'm not really feeling it for anyone at the moment, with the weather being shite and having to do work trips to countries I would never ever want to go to if I had the choice. Dating isn't really top of my mind at the moment