Your Hair
Civilians may get to choose the kind of haircut that they want, but all soldiers get the same buzz-cut. After discharge, former soldiers can have any kind of haircut, but most of them stick to what they are used to.
Scanning Situations
Right from the very start, soldiers are taught to scan and assess. They are on the lookout for anything that might be suspicious, and if they need to, they will act. Therefore, if your soldier partner starts rapidly scanning a room or the park, don’t be surprised.