Keep in mind the human tendency (rightly or wrongly) to think “how it ends is how it was”.
Could be a work shift, a class, a relationship, etc. try to end on a good note.
Go easy on the cologne, perfume, scented lotions, etc. People shouldn't be able to smell your perfume a mile away, only up close. Also, it's generally not appropriate for work.
People want to be heard. Listen to your clients, even when they're upset. Don't make excuses or anything, just let them talk. They mostly just want to be heard. Once they're calm, you can solve the problem.
When the child is feeling upset or out of control, that is not the time to teach a lesson. Share your calm, be a safe place for them. When they’re feeling better, THEN teach the lesson.
Your very existence is a miracle. Countless cosmic events and generations of ancestors had to come together in precisely the right way at precisely the right time for you to be here now. It’s an honor to be who you are. Act accordingly.
Great article on how to explain that bodies AND brains are undergoing rapid changes during adolescence. Re-read and then chat!
https://www.upworthy.com/amp/this-mother-s-description-of-her-tween-son-s-brain-is-a-must-read-for-all-parents?c=ufb1
Being well-read is better (and cheaper) than an advanced degree, especially for broader education. Stay curious and read!! Fiction, non-fiction, biographies ...