I may be pregnant, But my Boyfriend is really getting on My Nerves what should I do?

My Boyfriend is really making it hard for me to even have a conversation with him. He Thinks everything I say is a joke! He Loves me and I know he does He wouldn't do nothing to hurt me! we have unconditional Love for eachother but recently he's been acting like a big ******! what should I do? sometimes I feel Like just Leaving him!