How to be arrogant without annoying people too much
There’s almost no limit to how highly you can think of yourself, if you think of other people just as highly.
Never do sit-ups (seriously they're bad for your back)
Stuart McGill, professor of spine biomechanics at the University of Waterloo, did an extensive series of studies, and they're just trash for your back.
"Is there something wrong with couples who don't fight? Does it mean my partner and I lack passion?"
I would agree that normal couples fight but please remember that about 90% of couples should probably break up.
Think carefully before accepting invitations that are weeks or months in advance
When someone invites you to something in the distant future, ask: Would I say Yes to it if it was this weekend?
Tips for becoming more assertive
People will tell you to practise by starting small – “I would like a table near the window, thanks.” “I don’t want mayo on my sandwich, please.”
Your ability to focus declines after 30 (it’s not just because smartphones)
There are two totally separate systems that govern attention: your ability to maintain focus on the thing (‘enhancement’), and your ability to tune out other things (‘suppression’).

The Wile E. Coyote Principle: Stop doing things the hard way
Wile E. Coyote has some pretty good tools for catching prey, namely: teeth, claws etc. But he always uses methods he's unskilled at.

How to give unsolicited advice (if you really must)
Today’s unsolicited advice is that no one likes unsolicited advice, and most people are very bad at giving it usefully.

How I used a personal kanban to stop my brain turning into soup during lockdown
Once you understand the psychological principles that make kanbans so powerful, you can apply them to any productivity system.

There is no such thing as “fear of the unknown”
Say you get a promising job offer in a distant city and you’re nervous about accepting it. Are you afraid of "the unknown", or are you afraid the job will suck and you won't be able to make any new friends there?