go stale

annoy bore depress disgust dishearten dispirit displease drain exasperate fail fatigue irk irritate jade overwork wear worry

bush collapse crawl debilitate deject distress droop drop enervate ennui fag faint flag fold harass nauseate overburden overstrain overtax pain pall prostrate sap sicken sink strain tax vex weaken wilt yawn

burn out give out grow weary peter out poop out put to sleep wear down wear out

aid calm cheer comfort delight encourage excite make happy please refresh soothe

assist assuage build cure energize help increase invigorate mend rise strengthen

activate fire up