Pick out words from the text which mean the same as the following
(1)unhappiness felt by somebody because they lack friends.(2)the result of a situation.(3)physical illness which occurs because the patient is worried or anxious. (4)prevented from preceeding easily.(5)gradually destroyed. (6)willing to change and adapt.(7)long existence of something.(8)forcing ones view on others.(9)enter by force.(10)difficult to unravel or smooth out.