The Crying Laughing emoji (😂 ... and proud of what you find funny. It shows a slickness about you. The Beaming Face with Smiling Eyes Emoji (😆) is for when you’re truly beaming.
It has to have something funny going on ... enough to know that I am a goofy guy. There are a lot of ups and downs in any workplace, so the ability to have a laugh is how you get through it.