What’s a skill everyone should learn but most people don’t?

Bedside manner

good manners

English grammar.

How to say no. Not aggressively but clearly

Basic medical knowledge. I don't expect people to be doctors in training, but knowing how to tell the difference between a regular rash and meningitis (try the glass test first), what temperature a fever becomes dangerous (34.9c in adults, 38c in children) at and when you should go to the hospital for Noro are things a lot of people don't know (2/3 days).

how to clean up after yourself, just because you dine at a restaurant wether it be fast food or fancy asf, stop leaving messes on tables thinking “it’s the workers job to clean it up” it makes me so mad, whenever I see people dining in and leaving I always call them out saying how lazy and dirty they are.

How to say no without feeling guilty.

To cover their mouth when they cough.

Basic sewing and mending. So many people don't know how to reattach a button and throw out clothing that can easily be repaired.

basic cooking

How to recognize when you're the problem. Most people never learn this one. You can tell.

Basic financial skills. Things like budgeting, investing, and understanding how debt and interest work. It makes a big difference when you start making changes early rather than later.

Managing their emotions instead of reacting instantly

Fishing

Handling their anger