~snipped~
If you have ever heard the phrase
"even a barber can't cut himself" you will realize that a professional trader will never always win if they trade alone, they need a community or other group to exchange information about trading.
I like that barber expression but I beg to differ with it. I've seen several barbers who cut themselves. It's really not a big deal to them. However, I understand the second part with professional traders. I for one, I like the concept of a tree doesn't make a forest. Based on that, people of same trade should stick together to enhance themselves.
Apart from that, the income of each trader will never be the same profit, even if you trade with 5 of your friends, you will make different losses, so don't ever hope that you can match the income of a professional trader, you will only push yourself to the limit canyon. Do trading with your own abilities, find your best strategy.
My advice on this is that no trader should see themselves as being in competition with anyone. Don't over leverage or lot size on your position in a bid to level up with anyone you know of their trading capital.