DS (now 26) has always been very emotionally reserved and he only cried when he was a new born, looking back I dont think he ever cried when he was young and he has also never got angry as he is very calm. DS also is quiet although he can have conversations and his social skills are fine, when he was younger he got into hunting/guns and his uncle use to take him out shooting, he also competed in kickboxing and he always played shooting games so he seems to like violence although he has never attacked anyone or got into trouble. Even in school he was always well behaived and never once got a detention or told off.
He has a GF of one year who he likes and his GF is a very mature girl although he was calling his brother "too emotional" and making fun of him because he is currently going through a break up with his GF. I also heard him say to his brother "you need to learn when to turn your emotions on and off". DS in the past has also called valentines day "gay" and that he hates all that romantic stuff, when he was younger I also found on the family laptop that he was watching gore/war videos and porn.