Write the next sentence in this paragraph:

How to get to know a guy
Observe him in school.
Often you can tell a lot about a guy by how others act around him, who his friends are, what grades he gets, etc.
Listen in on his conversations.

OPT:
I. Try to " catch " on his negative emotions. If he seems to feel isolated or sad about something bad that happened, don't judge him..
II. Since the majority of social interaction is taught by the class, watch his body language to see how he tends to return to the person he was before. He may greet another student with " good morning " or " how are you? " if he acts friendly back and greets her, this may be a good sign..
III. Good people look out for how other people talk, and when an old friend in his class talks to a guy who is older than him, friends bond easily. Try not to be too overt about it..
IV. If you see him talking to someone before or after class, sit nearby and listen or walk by and try to catch a few of the words. Try to get in a group project with him and make sure you start a pleasant conversation..
IV.