Psychosomatic is very real, it accounts for almost a third of visits to psychiatrists, so nothing to be ashamed off. It's why placebo's are so used finally. About the blood pressure, there are the usual suspects, and those are smoking, drinking, obesity and lack of physical activity. Smoking and drinking can have a very strong temporary effect, so take them in consideration when measuring. And finally, med. doctors are just normal people, trying to do a job. My parents worked in the paramedics for about 40+ years, and one of them quit it for a more normal med. job after 30, when I asked why... "You can have a person's brain run out from his ear on your hand (car-accidents) only so many times before you burn out."