Most of Sangue's reactions would be identical in terms of expression, but her actions would probably change based on a sign of friendliness or hostility. She's simple in that sense.

So if she gets hugged by someone like Emerald, for example, she would only get the heart to push them away if she needs to get going somewhere. :D

EDIT: Computer engineering is kicking up its busy toll on the students here but thankfully I'm following it well! Getting the English AP score gives me some breathing time for RPing now :D