person A: My 21-year old daughter recently moved out and she came back to visit!
person B: Oh that's great!_comma_ was it a surprise?
person A: She told me she was coming but didn't say when.  But then just showed up to surprise me.  I was so happy.
person B: I'm very happy for you_comma_ I'm going to visit my mom next month actually.
person A: We miss our babies when they grow up and go away!