Answer:
showing devotion to one another
Im just some random dude so i think its maybe assisting them
Cardiovascular System
In addition, the blood vessels that direct blood to the large muscles and the heart dilate, thereby increasing the amount of blood pumped to these parts of the body and elevating blood pressure. ... This long-term ongoing stress can increase the risk for hypertension, heart attack or stroke.
Physically speaking if one had High self-esteem and a positive outlook you would presume that the individual would be less stressed leading to:
Less chance of heart diseases
Weight loss
more energy
better memory
and the list continues
-hope i helped <span />