the impression they make on others. Then there is getting a dead-pan stare or not being looked at all. Inappropriate touching is another. Unpredictability can be another. One moment they are cheerful and pleasant and the next they are moody and silent. One minute they are all over you and the next you are completely ignored as if you have ceased to exist. One second you are chatting and the next they are phubbing you; checking out of the conversation in favor of checking in with their cell phone, just in case they might have a call.