In forex, loss is a very common term.Anyone can make loss.A new trader at first trades in demo account and learns how to trade.Then he trades in real account.He adopts the strategy what he has learnt.But he may make loss if his strategy is wrong.For this, he has to learn more to solve his problems with trading and finally makes profit.So making loss is very important to make profit in future.If a new trader never makes a loss, he will not be careful and will trade violently.Finally he will loss his whole money