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Love would probably be easiest. Watch a mother with her baby for a while. Even without talking to her, you can see edivence of care and love.eg; the baby is chubby smiling so he has been well fed and communicates with others so he is also not afraid.

Look at his clothing. It is clean warm, sex appropriate and appealing'

In all of the above you are reading the emotional literacy between mother and child, and you have not had to ask even one question.

Were you to see a neglected child of 1 or 2 years, you would be able to read the emotional literacy between him and his mother by his appearance and behaviour.

Another one that would be easy to read is a teenage romance. All you have to do is read the signs that they are experiencing love for the first time.