put his stuff IN the car so there is no need for him to step any foot farther on the property or get near you. leave the keys in the potted plant on the porch, unless he has them already. do not confront. go inside, lock the door.
press forward on any and all legal protections at your avail.
i'm sorry this happened. any time someone says - well he never <<fill in the blank>> it is always wise to add YET.
stay safe hon.