I’ve found time alone can be the most productive.
The most important aspect of a software system is its ability to meet the needs of its users.
The idea is not to have any 90-degree angles. In the beginning, there was the diagonal. The diagonal comes from the idea of the explosion which "re-forms" the space.
I always say you could publish my trading rules in the newspaper and no one would follow them. The key is consistency and discipline.