You shouldn't ignore someone's birthday message.
Jerry is turning 30 and is hosting a party for himself with some close friends.
Jerry wants to celebrate his birthday.
During the party, one of Jerry's friends from out of town sends him a text message wishing him a happy birthday, which Jerry replies to immediately.
During the party, one of Jerry's friends from out of town sends him a text message wishing him a happy birthday, which Jerry ignores.
Jerry's friend feels happy and connected with Jerry because of his quick response.
Jerry's friend feels hurt and frustrated about being ignored by Jerry.