Half Kelly is not the best option. In fact it is quite easy to find the best % MM if you know distrubution of your outcomes. You just need to define what you want to achieve, the biggest acceptable drawdown and use Monte Carlo simulations.
Author of this thread asked „how you force yourself disciplined”. When you were a child your parents forced you to go to school and learn because you only wanted to have fun. But now you are adult and you also want to succeed so stop treating yourself like a child and assume that want to be...
In fact if you believe that you can't be rich and relaxed then you will never be so you limit yourself. I recommend reading about pareto rule and "The 4-Hour Workweek" by Tim Ferris.
It is also important how you think about your losses. When you hate them then you just decrease your losses. In fact you should enjoy or at least accept your losses becuase they get you closer to profit. It requires some practice but if you do it properly then it is possible to achieve this...
I think that european politicians aren't afraid that Greece will go bancrupt without euro. They are afraid that Greece will improve their economy without euro.
There is also one more way of dealing with losses. When you take a loss you usually feel like a loser. But you can change it. Just give yourself more testosterone and you will feel like a real man. How to do it? Just put your hands up like a winner. After that even blind peopel feel like a winner.
Few years ago I had a very big problem with dealing with losses. But I have found a solution. In my opinion the best way is saying (for example in your mind) something positive after taking a loss but before you think or feel anything about it. What should say? I suggest some positve...