Looks to me as Verbena bonariensis or a similar plant from the verbena family. I only know the Dutch name ijzerhard for sure. Searched on that on Wikipedia and changed language.
Also have it in the front garden. Bee’s, hoverflies and butterflies love them.
I’m also schizophrenic and in a loving relationship for almost 4 years. Dating was hell sometimes. Most of the time told it a second date. I don’t remember how many I have been gohsted or told they can’t date someone with multiple personalities (which isn’t schizophrenia of course), told them that and moved on.
But after my diagnose I had more good contacts with dating then bad. Before my current relationship. I had a relationship of about a year. It ended, but we are still friends.
And I know many people with schizophrenia that are in a happy relationship. Some with children.
So I don’t know your situation, but having schizophrenia isn’t necessary a deal breaker for some people. Dating is something on it’s own and yes having any mental health issues makes it harder. But there are loving people that can love you for the person you are ♥️