YOUR IDEA OF A PERSON IS NOT THEIR RESPONSILIBITY TO FULFILL
Your idea of a person is not their responsibility to fulfill. The perception of someone you have in your mind is a version you created of them, sometimes not who they happen to be.
It’s okay to hope, but it’s unfair for you to expect them to turn out the way you want them to be.
You only have power over three things; what you say, what you do, and what you think. Everything else is beyond your reach. Therefore, your only real responsibility is to yourself.