First rule of being in new relationships is don’t think you can change someone. It doesn’t work. The second is to recognize when someone is being difficult for you to deal with or when you are tough to hang out with. Here’s a list to consider. “People with difficult personalities often display these 11 behaviors (without realizing it)”

https://geediting.com/people-with-difficult-personalities-often-display-these-11-behaviors-without-realizing-it/