My 11 yr old Golden is afraid of a lot of things. This afternoon, he suddenly began panting, and wanted outside. I let him out and he took off running down the driveway, which he NEVER does. I got him inside and he seemed very afraid. I gave him some holistic calming drops and they seemed to help. He is very attached to my husband, and usually goes with him in his truck. However, a few days ago, Rusty tried to jump into the back seat of the truck and was unable to do so. He is too big to lift. I know he thinks he should go with his dad everywhere and when my husband leaves, he seems very sad. Does anyone have any suggestions on why he suddenly became afraid? Do you think it could because my husband had to leave and left Rusty here? What can we do to help him? I told my husband to use my car to take him and he does when he can, but I work during the day and my husband doesn't have the car.