Fully agree with this. If you are trying to get into the market to try things out, demo accounts are your best friends! Nothing wrong with seeing what works and what doesn't, just stay patient!
Be careful when you are finding trading information on Youtube. Look for traders who share their live account information (MyFXBook or something similar) and see how long the account has been active. There is a lot of really great information out there, but a lot of bad information is floating...
Patience has got to be one of the hardest parts of trading haha. I have the most trouble setting and forgetting my trades. Sometimes I will think I need to get out early or let the trade keep going. Luckily, I've learned that once my trade is placed, I just need to stay patient and let it play...