These are the biggest lesson I learned that no one teaches?

Arguing with a fool proves there are two.
The easiest way to wait for something is to forget it exists.
Leave, when a promise turns into a sorry.
The worst type of loneliness is the loneliness you feel when you are with people.
There are no rules of attraction when it comes to meeting your match.
You don’t need to compromise on your standards, the right person will come to you.
The best way to find yourself is to lose yourself in the service of others.
A toxic person only changes their victims, never themselves.
A conversation about how you feel is not supposed to end in an argument.
Someone’s effort is a reflection of their interest in you.
You can be the whole package at the wrong address.
Facts over feelings. Don’t let your emotions play with your intelligence.