Travel sports: Travel sports can improve your self-confidence and be good for your body and mind. Go out for a walk more, you can take a trip, maybe you will find a way to get rich?
Reading: Reading some books on psychology and success can help you improve your self-confidence and know yourself. In his thirties, he is old enough to charge. In the early thirties, there was also a period of confusion. I recommend you to watch Cognitive Awakening.
Make friends: Making friends can improve your self-confidence and is also a way to get support and help. Chat with your buddies, chat, or start a business together and get rich together.
Look for new opportunities: after six months of unemployment, you can consider changing careers or learning new skills to increase your competitiveness. No matter how many Wuyi people there are, don't crush yourself. Learn a craft well and you will find another sky!
If your inferiority complex is still strong, or it has affected your life, then I suggest you seek professional psychological help. Psychologists and counselors can help you understand your psychological problems and provide effective solutions.
Get out more. Good luck.