to look suddenly happy or excited
iluminarse de felicidad (iluminarse de felicidad)
"Her face lit up with joy when she saw her parents."
"Su cara se iluminó de felicidad cuando vio a sus padres." (su kara se ilumino de felicidad kuando vio a sus padres)
to allow yourself to feel emotions without trying to change...
to reflect on something that happened in the past
to become accustomed to a regular way of working
to share your deep emotions honestly with someone
to assume control or authority in an organization or team
to express your honest emotions to someone