The best hobbies : Oracle, Go, and Karate

Karate is good but we cant do it all the time because of changing circumstances and body fatigue.

But Oracle tuning is great, get a PC, install free Oracle, download a free study database, get a couple of good Oracle books ready, and you set yourself a lab in your room! Tuning oracle is like tuning a race car minus all the expensive equipment.

The other one is go or weiqi. Go you dont have to study a lot of books or advance techniques to enjoy for the rest of your life. Just the follwing four books

Get strong at opening by Richard Bozulich
Get strong at attachking by Richard Bozulich
Get strong at invading
Get strong at tesuji



It is very important to have a hobby, job that you can keep working to acheive perfection without caring about other people, just you and the hobby, this will bring out the great joy in life and help you in difficult times.