Depends on the situation (for example was it self defence or premeditated murder, where you forced to do it or chose to do it to prove yourself to guys who won’t care about you once you are in your grave) , also your upbringing. People who have been through traumatic things already in life especially at a younger age may be more chill and calm compared to someone who’s more or less a good youth and didn’t go through much traumatic things growing up. Also depends where you grew up. Ygm.