Can toddlers sense pregnancy??

Ki • Sun, Aug 02

Me and my husband quit trying for over a year. Just living life. Today we went to the park and my son starts lightly patting my stomach and smiling at me,he just kept coming back every few minutes patting my stomach....I am 5 days late but not getting my hopes up I have been a month late before and nothing happened. He never done that before or it could be attention