Drama drama

Hey so my MIL and her family and I don't get along too well. Well my bf asked her if she can take care of my dog. So shes said yes for the mean time my bf and I get our house.. we are staying at my FIL house. Well this Saturday coming up is my bf's Grandma's bday party and she told him to take me. My MIL is going to be there obviously and she's bringing my dog so we could see her... At first I wasn't going to go but now that she's bring her I'ma go lol Is it fucked up that I'm only going just to go see my dog?