My sign?

I had 2 miscarriages so far this year and I've been terrified of trying again, although I really want to. I've been praying for a sign that we should and I think I got it today. My best friend has an almost 3 year old little boy who I've seen and been around plenty of times. He's always called me by my name and he knows who I am. Today I was leaving my friends house and as I was leaving I said bye to her son and he responded with "bye mom" I looked at my best friend in shock and we corrected him and again he said "bye mom." I really wonder if kids can sense that and if it was really my sign or if I'm just looking too much into it.