Too Friendly?

Michelle has always been very friendly but took it to a new level last weekend. She came running in to get me telling me there was someone I needed to meet. I didn't recognize the woman waiting outside the door but it turned out to be my neighbour three houses down. It turns out Michelle decided to go find some more friends by knocking on strangers doors and asking if they had kids. I thought she was playing with her friends already. Luckily, this woman thought it was odd and had Michelle bring her to her house so she could let us know. SCARY. I hate having to tell Michelle about 'stranger danger' but...