Every trader have some greed... I think we can control's our greed but we can not kill greed.... We can use our greed right way... we can use our greed when we loss... that time we use our greed to over come our loss....
well dear you get encounter by the greed so dear get use stop loss and take profit so dear you will get safe from greed and dear other thing is trade with the assigning targets it helps you to make happy end.
i am naturally not greedy so i can easily control my greed but you can control your greed by money management and by using the tool of stop loss and take profit. so target some profit and when you achieve than close the trade .
well dear to control on greed become so differ for us but for getting earn money controlling is so necessary and for controlling i say trader have to trade on the targets then he can make a good trade every day.