Yes it's a problem Gloria, even science is hardly scientific.
" . . .It is no secret that science has come under increasingly derisive attacks in recent years. There are those who view science as being inconsistent, untrustworthy, and even unethical. . . examining what can be done to combat bad science and how good science can be encouraged and promoted.
https://www.sciencemag.org/custom-publishing/webinars/fighting-fake-science-barriers-and-solutions
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Ms Gloria, I don't mean to pry, and it's certainly none of my business, please pardon me for asking, - Have you investigated other trading methods beside trendlines?
What if you were to look thoroughly into the topic of Position Sizing Strategies available to the trader?
With your tenacious nature little doubt exists that you will master that and any trade entry methods will perhaps be viewed in a new perspective.