It's not too late, you can start catching up on these neglected areas (relationships, friendships, sport, parties) now. Otherwise, the feelings of regret might

It's not too late, you can start catching up on these neglected areas (relationships, friendships, sport, parties) now. Otherwise, the feelings of regret might not go away, and can get worse with age. It's basically your subconscious telling you you neglected some important developmental milestones. It could also be good to talk this through with a competent psychoanalyst, but unfortunately my impression is that majority of them are hacks.