Yep ! I'm serious.
If you sit on the couch, you won't make mistakes. Well, sitting on the couch doing nothing is a mistake, but I won't get into that.
No matter how careful you are, how much thinking you have done, how much time you put into searching for facts, you will make mistakes. Maybe not today, nor tomorrow. Or the next 6 months.
But, there will come a moment, you'll be tired, or you will rely on a source of information said to be bullet-proof, and you'll discover no such thing exists.
Some people will tell you : "I rely on such and such", or "I never make mistakes"
Ask them what level of success they've reached.
The ones who are highly successful simply have tried harder. They dared come out of their comfort zone.
As the comfort zone expanded, they kept blowing up its brick walls. At the beginning, they used a spoon.
Then, when they saw the outside world didn't notice or care, they started using a sledgehammer.
That got attention, not just positive. In fact, feedback came more from naysayers, status quo experts, know it alls, been there done that people who believe they know better than you what should be done, or worse, their harsh words is their pride hiding their fear of doing the same as you, cause they believe it will hurt their brand.
If a comment is not respectful or constructive, simply ignore it. Or better yet, delete it. Nobody deserves lack of respect. If they insist, report them to the authorities for abuse.
You will reach a point when your self-confdence is a tank ( the ones that can crush houses).
Make sure you are a nice, polite, humble tank. :)