Need to dispel some myths:
Keeping a straight back doesn't prevent a hunchback. It's more likely to actually cause a spinal injury. Movement every 20-60 minutes is the best way to avoid it. So don't police slouching, instead, change your posture regularly.
No particular food or dish is healthy or unhealthy. It's how often you have it. That's what makes up a diet. Too much of anything isn't good for you. The most important thing in your diet is variety, to ensure getting the necessary nutrients. Having the same meal every day leads to missing micronutrients. That isn't a licence for only eating ultra processed foods (bread, cereal, instant noodles, crisps, bacon, etc).
Intelligence is not linear, it's actually like a radial graph. No one is skilled at everything, everyone has gaps. Emotional intelligence is overlooked, neglecting someone's emotional needs like safety, security and trust leads to trauma. Don't shout and get angry, use compassion.
Exams and homework don't make better grades. Giving kids more time to be creative makes better results because standardised testing creates a radical, extreme version of right and wrong, killing our imagination and joy in play.
Nobody is perfect. Ever since we left the sea, our vision has never been better. Everyone makes mistakes, we shouldn't hold each to such high standards. Nitpicking imperfections, most likely of which are likely to be outside of our control, is toxic. Errors are data points for learning, not moral failings.
Sex is not binary. It is bimodal, because the two hormones overlap. It is the same as the sympathetic and parasympathetic pathway (adrenaline vs acetylcholine) and the same reason trees grow and shed their leaves: it is not two systems, it is all part of one system with two poles. Some women produce more testosterone than some men, meaning trans people should be included wherever they like.
Discipline and willpower don't work. You don't need to push yourself harder, you need to change your environment, so it's easier for you to do the good thing (if you have weights by your bed, you can pick them when you wake up) and harder to do the bad thing (don't keep snacks in the cupboard).
You can teach a dog new tricks. Neuroplasticity means we are designed to learn and adapt. You can keep your neuroplasticity up by doing new things (reading a new book, travelling somewhere new, etc) and problem solving (puzzles and quizzes) - and it reduces your chances of Alzheimer's.
Grief isn't linear, and it doesn't go away. You rebuild your life around it. There is no closure, or getting over it, there is only the courage to keep moving forwards, and finding an outlet for the pain. Grief is love preserving with nowhere to go.
Hard work != success. Success is down to starting conditions (like money), timing, and luck. For every 1 successful person you read about, 1000 people were doing the same things and didn't succeed. Many scientific discoveries were pure accidents.
Sleep isn't a waste, you need it to clear neurotoxins and regulate committing to long term memory.
"What doesn't kill you makes you stronger" is wrong, because every infection leaves scars in your organs, meaning things don't work as well as they used to.
Stress isn't all bad. Stress when you're doing something you care about (eustress) causes you you grow, like a muscle has to be stressed to grow more. Distress (overwhelming strain, like pushing yourself too hard at the gym) only heals by having time to recover.
