When I had begun, the biggest issue used to be the right entry/exit of my trades. I used to lack that focus somewhere and handling emotions used to put me off track. But yeah, practice does help one getting out of such issues.
Be it Forex, or any other kind of business, the first step always has to be exploring that field, researching and gathering max info. If you spend some quality time on this part, believe me, future journey would be much better.