"No, I don't think so. I am 40 you know!"
"That's okay, I know Mom's who have baby's at 50!" (perish the thought!)
some more random discussion and then she pops out with...
"I think you should start wearing overalls again and grow your hair long!"
"Well, I did that when I was thirty. Besides forty year olds don't wear overalls!"
"Well I thought that when you turned 40 you were suppose to get over that kind of stuff?"
"Who told you that?"