cause ennui

annoy bore depress dishearten exasperate exhaust fade irk tire

burden cloy debilitate disgust distress drain droop drowse enervate enfeeble fag fail fatigue flag glut harass jade nauseate oppress overwork pain plague sap sicken sink strain tax vex weaken weigh

fall off grow tired have had enough leave one cold lose interest make discontented take it out of tire out try the patience of tucker out wear down wear out

comfort encourage excite invigorate make happy please refresh soothe

aid assist calm cure energize help increase mend rise strengthen

activate enliven