Smiley faces are convenient and are a way to bring humor and life to an otherwise boring and banal text. It is also a convenient way to show emotions that cannot be seen by the recipient through text, but excessive use of the smiley face; especially as a man, can lead you to be deemed as soft or immature by the recipient, especially if that recipient is a female. So make sure to use the smiley face sparingly in a conversation, for anything done in excess is frowned upon in the world of a Millennium Male.

-MM