What about you is a response to a question that asked for a responds from you, turning the question around to the other person to answer it as well. and what’s about you is a weird term but “what is about you” would most likely be similar to “tell me about yourself. yeah?
Answer:
Explanation:
Why am I reading this?
What does this passage mean?
What do I already know about this subject?
What's my opinion of the text?
I uploaded the answer to a file hosting. Here's link:

The young man skewed around in his saddle, trying to get the horse in control.
I believe the correct answer is pleasant and attentive.
The author is stating in the excerpt that he though he would be getting his freedom back because of his 'gentleness and good behavior.' He wanted everyone around him to feel happy but also to do good things in order to be free again.