📒 used when the person or people being spoken to both cause and are affected by an action
📒 used to emphasize the fact that the person who is being spoken to is doing something
📒 used instead of ‘you’ in order to sound polite or formal (although some people do not consider this use to be correct)
📒 to act naturally
📒 alone; without anyone else
📒 without help
📒 for only you to have or use; not shared