stress – n. a state of mental tension and worry caused by problems in your life, work, etc.

calm – adj. not angry, upset, excited, etc.: calmly – adv.

relief – n. the removal or reducing of something that is painful or unpleasant

buffer – n. something that lessens the harmful effects of (something)

allow – v. to permit (someone) to have or do something

rent – n. money paid for the use of another's property

take a turn for the worse – expression : to become worse

relaxed – adj. set or being at rest or at ease