>>17708533Mentally/Psychologically, it all depends on how you process your life experiences and use them to go forward. Make your hardships end up being valuable lessons instead of trauma.
Physically, many men reach their prime around 30. However you absolutely need to take care of your body. If you do, you'll see that these memes about rapid aging around 30 are untrue. No sugar, alcohol and processed foods. Instead have a balanced diet, vegetables, fruits, meat, lentils, fish. No fried stuff. Workout at least 3 times a week and include a bit of cardio. Martial arts are kino.
I'm 29 and physically i'm at my best i've ever been. Good luck.