[Maes turned around, partly to add the marshmallows and whipped cream but also to hide the smile when Luna proclaimed her decision like that.

Once the necessary ingredients were added he turned around and set the mug in front of Luna. She didn't have hands, so he had made sure to get a big enough mug that she could easily sip from without necessarily having to lift it. He took a sip from his own drink]

Let me know what you think.