person A: My oldest daughter will graduate  high school this year.
person B: That is a big moment. Are you a little sad?
person A: That's an understatement.  I'm having to go through lots of old photos_comma_ like when she was a baby_comma_ toddler_comma_ etc.. to put together the slide show for her graduation ceremony.  
person B: I would be a mess_comma_ my son is about to turn two and I am sad about that. Time goes by so fast.