1/ Don't be so greedy,as something is better than nothing.If you get 10% profit then try to sell out and exit.Otherwise you will lose all your money if you want more than 10%.
Your explanation is lacking, someone might misunderstand this.
Being greedy is okay, in fact we should, traders, be greedy, so that
we aim for high always. You should've rephrased your statement
to, controlling greediness, something like that.