not know when to stop

exaggerate overestimate overplay overrate overreach overstate overuse overvalue

amplify belabor fatigue hype magnify overburden overindulge overload overtax overtire overwork pressure puff stretch

be intemperate bite off too much do to death drive oneself go overboard go too far lay it on make federal case pile on run into the ground run riot strain oneself talk big wear down wear oneself out

play down

compress decrease lessen

ignore neglect