Yeah, it's definitely different. Having a personal hardship beyond "someone died and I miss them", like all your identity is wrapped up in them alone.
Rene Picard wasn't well-developed because he was a child and hadn't definitively become who he would be. David Marcus was an adult and had more time to develop his personality, goals, and ideas.
Rene Picard wasn't well-developed because he was a child and hadn't definitively become who he would be. David Marcus was an adult and had more time to develop his personality, goals, and ideas.