Conjunctivochalasis (CCh) Overview. Conjunctivochalasis (CCh) represents one of the most common age-related eye diseases and is characterized by the presence of redundant folds of the conjunctiva that typically are detected between the eyeball and the eyelids.
Reciprocity of liking (also known as reciprocity of attraction and reciprocal liking) describes the tendency for individuals to think positively of others who express positive regard for them.
The law of reciprocity means that when someone does something nice for you, your hard-wired human nature determines that you do something nice for them in return. For example, if you're out to lunch with a friend and they pay the bill, you feel obliged to cover it next time - to repay their kindness.