Context: The other day was my sons birthday party! It was so much fun watching him open all his presents.
Speaker 1: We had a birthday party for my son the other day!
Speaker 2: Aw, yay!  How old is he?
Speaker 1: He's 6. It was so much fun to watch him open his presents.
Speaker 2: I love that age!  My niece just turned six and she seems so grown up!