It might happen as when you are over emotional you tend to avoid making trades or taking few risk, which inturn might save you from taking wrong trades but its a bit on negative thing in trading.
News have the very initial impact on the forex market and for that you have to analyse the news perfectly. You have to be an experienced trader in order to predict the news well.
Yeah as the number of people interested in investing in the forex market is increasing , number of brokers have also increased dramatically. And choosing a broker out of so many brokers is very difficult specially for a new trader.
Each individual trader has his own capability to control emotions, there is no single way to describe it, but still when you gain experince you tend to learn what are your emotional weakness and you have to over come it.
It depends on the individual trader to trade in demo account, the main reason to trade in demo account is to raise confidence level and improve learning.
Robots are hard to predict and you have to be a good trader to fine tune it, new traders should take care of using such robots, traders should be careful while using these robots.
Yes if you have found a good broker then there is no need to open a second account, but still if you could bifurcate your investment with two brokers then even if you get scammed then you part of the investment is safe.
Yeah when you gain a bit of experience you will certainly improve your psychology too as you learn many things practically, but it also depends on trader how willing he is to improve himself psychologically.
Yes definitely, being healthy is more important then earning, and moreover if you are not in good health then certainly it will effect you mentally which in turn is not good for your trading too.