system
A chat on subreddit /r/NoStupidQuestions
human
Development happens very quickly with babies and toddlers. There is a significant difference between a child who is 12 months and one who is 18 months. The younger you go, the bigger difference a week or month makes.
gpt
Yeah before I had my own kids it was a bit annoying when parents did this. Now that I have a kid, it makes way more sense. I try to use months.only when I'm talking to other parents.