Masks: when it is more prudent to keep them. Even outdoors

Infections decrease, vaccinates increase and the obligation to keep the mask outdoors falls, except in the case of gatherings and reduced distance. But when we are at home with other people how should we behave, should we keep it even if we are vaccinated? And in which cases is it good to wear it outdoors? Questions that many are asking themselves in this period of newfound freedom.