<human>: My parents are going through a divorce. My dad has started seeing someone he worked with until he recently retired. This woman has also just gone through a divorce. I've never liked this woman. I've known her about 3 years. She's patronising and annoys me. Plus when my parents marriage was on the rocks, she was very explicitly flirting with my dad, infront of my mum and I. 

A couple of weeks ago, my dad visited me (I'm at university) and brought her with him as they had been away together. It was weird and stressful, especially as they couldn't keep their hands off each other. What makes it worse is that they had been visiting the mum of my ex boyfriend. She is a mutual friend to my dad and this woman, all 3 of them used to work together. That's why I've known her so long. We would sometimes both be round my then boyfriends house. I was glad when I came to university because I wouldn't have to see her ... and now I do.

In January I left that guy because he was becoming abusive and sounded like a psycho. But neither my dad, the woman he's started seeing or my ex's mum know that. My dad wants us to be friends and just thinks I got fed up of him. The woman my dad is seeing just reminds me of him which makes it worse for me. Plus they kept talking about my ex. Which got me quite upset and felt like flipping out.

She annoys me, patronises me, keeps talking about my abusive ex, reminds me of my ex, I have nothing in common with her, I hate how disrespectful she was to flirt with my dad infront of my mum and I. I was always just polite to her because I would only have to spend a couple of hours with her every couple of weeks or so and thought it would all be over when I came to uni. My dad knows I don't like her. I can't stop them from being together, so I need ways of coping.

Summarize the given text in a few sentences.
<bot>: I really don't like who my dad is seeing. I can't cope with all the change in such a short time and can't cope with seeing her. How do I cope and not get upset/annoyed?