Do you feel like the career path you chose is not in line with your goal of touching people's lives? Or you've simply lost your sense of direction as a result of your friend's passing?
It's very normal to have these bouts of doubts about one's purpose as it seems you're struggling with. I believe the term for it is existential crisis, so totally normal and not something you should be bothered about.
It's no problem as well the heaviness of the conversation. I think someone taking psychology should be comfortable discussing heavy topics haha. Also, that's the point of this post, to have a conversation, so feel free to share anything you want.
I'm gonna go ahead and make a guess, because i feel pretty confident as to how old you are. I think you're somewhere in your 20s. Maybe mid to late 20s. So I'll guess 26 years old. However, if you still want to talk, we can do that