Is this my boyfriends fault for climbing in my window?

I was sleeping at my grandmas house shes not old shes 47 and she watches to many cop movies and my boyfriend climbs in my window and jumps on thme scaring the crap out of me i was screaming until i found out that it was him. So he asked me if he could spend the night and i told him yes and like 5 minutes later my grandma comes in with a broom wacking my boyfriend with it kicking him and yelling at me to hit him in the face and i told her to stop because it was just my boyfriend and he she keeps wacking him and screaming at him because she is pist off that it is him he starts laughing and my grandma tells him "keep laughing i will hit you. I will hit you till the light comes to get you". So he climbs back down and i asked him how he got past my dog he told me that our poodle wasnt a problem and my grandma told him that we also have a rottwiler and that its his feeding hour and he grabs my hand so tight so i could pull him up and my grandma comes and starts pulling off his fingers he fell and my dog started attacking him. I went to go get my boyfriend and he gets scared and runs his car and i told him sorry my dog thought you were yummy and he tells me that maybe we should feed it&