Teen Refuses Dad’s New Family

So hi guys, I'm bad at explaining things so I will try my best to explain everything deeply.

Apologies for any grammatical mistakes! So I, 17 female, got into an argument

with my father because he thinks about himself and no one else, yes I'm a kid but

I have rights to speak my mom. So we'll talk about what lead up to our relationship

being this way. I used to be very close with my dad, 42 male, loved hanging with

him but now I don't. It was because of his affair, him and my mom were still married and

she was pregnant with my baby brother when she found out. This all happened last year of February,

but everyone isn't over it. When I found out I was disappointed in my dad because