My Ranger has seperation anxiety but only "foams at the mouth" as we call it when put in his crate. (it's not quite foam but it's enough slobber to make bubbles and look awful

) When he knows we're about to leave in the morning he starts shaking pretty bad and won't come near us. He's terrified of the crate for some reason so we never put him in it unless absolutely necessary.
Is yours afraid of the crate or doesn't like it?