We would need to know the types you have first?
The answer to this question is Sociobiologist
Sociobiologist Tend to search for correlation between social occurrence and biological occurrence and believe that human behaviors is a direct result of natural selection. This will make Ed tend to believe people's strategy to survive and lived on will determine what those people's do in their everyday life.
You can infer that the young mothers addiction had started off from an early life because maybe somebody in her family used the substance and so she got pulled into the same cycle , or she experimented and got addicted. you can also tell that she’s been doing it for a long time because she’s willing to give up her children and the chance to give them a life of their own instead of giving up the drugs that satisfy her selfish needs. ( hope this helped )
When we read "Ambush" we soon realize that it is quite true what one might suspect about O'Brien when we read about him - the fact that indeed he always seemed to wanted to hear emotional truth more than he did factual truth. There are multiple sentences which indicate this, but most commonly these are sentences when he starts talking and conceptualizing events in terms of their meaning, how they affected someone and how someone felt while they happened.