Apparently Fluther does not like emoji. I added two with a explanation of how to add them and it blanked my answer.
So I will try again without actually using them.
Step one. In System Preferences -> Keyboard -> Input Sources -> Select The menu bare thing at the bottom.
http://imgur.com/a/uh2TN
Then in the upper-right of the menubar select the thing shown here.
http://imgur.com/a/AeNpF