Kids say the funniest things

My 3 year old Ethan comes up to me and says mommy, are you thinking what I am thinking, (at this time I was working on my referrals from work.) I said what he said I think, lets see, I think I want an Icecream. Out of the blue. where do they get this. Just the pharse, "are you thinking what I am thinking." I have no idea where that came from. Kids you got to love them