I am at my wits end with my fiance...he came in today yelling at me about one of our fans accusing…

I am at my wits end with my fiance...he came in today yelling at me about one of our fans accusing me of taking it apart and he keeps accusing me of lying..I got fed up and told him "Are you hiding something from me? Is this where you accusing me of lying is coming from lately?" Then he just shut up. I don't need his yelling, neither does my sick mother, our son, or our dog. I'm debating on kicking him to the curb, but I'm worried about my son and dog. Our dog is a support animal, and between the 3 of us, my mom and I are ones who have letters from doctors and we are the ones who take care of her..now she's been honest to god scared of him.