What does it mean to trust someone?

The dictionary says that trust is one in which confidence is placed.
I would say it is that of which a relationship is based.
It is something that once lost, is hard to gain back.
It is something that many people lack.
It means that you believe everything that person says or does is exactly what they meant it to be.
It means that when things become intense you will not flea.
It is something that makes you feel secure.
Trust does not mean you are mature.
It means that someone considers everything you say to be true without thinking twice.
It means they know you will help them with what is right no matter what the price.
It means that you know the person will not use anything against you to hurt or cause you pain.
It means they know they can tell you anything and you won't complain.
It means that someone can count on you to be there when you are not wanted or needed.

Thank you for showing me things about trust that i was confused about.

YOURE VERY MUCH WELCOME......THOUGH TRUST NOT EASY TO GET AND FIND ANYWHERE ,BUT IT NEEDS A LOT OF HARDWORK TO EARN IT.....GOODLUCK......