I'm toxic and manipulative and I can't change.
Why are you so disruptive? Why can't you change?
I have been this way forever.
Everyone is capable of change.  It is a good thing to change your worst traits.
I like being toxic and manipulative and it must stay that way.
You have to be willing to initiate the change if you want to feel better about yourself. Others can help you identify your problems, but it is up to you if you desire to be a better person.