I'll give you a simple story. Saved up $10,000 and started trading FX. This was a series of compromises due to the usual suspects (underfunded, time constraints, not enough knowledge). In other words, I didn't want to trade FX but decided that I had no choice because I needed leverage to make any money (I prefer scalping/very short term trading).
I have a math degree. I have an ability to anticipate immediate volatility and direction due to massive amounts of screen time and knowing the reasons why indicators will work or won't work.
I ended up suffering a string of losses and the account drew down 5% and I closed it out.
Fast forward 4 years later I've got ten times that in capital and massive edge now.
It probably was the worst feeling though losing over and over. Nothing like hard earned money just vanishing right in front of your face in seconds

. I remember I even pounded my fist on the table.
Takeaways,
Be smart enough to admit when you are wrong. And If you're underfunded and forcing trades then you have already lost. Get an EDGE.