Vamos a observar su corazón.
To say heart in spanish, say: corazón
Corazón is heart in spanish.
The heart = el corazón
One way to say it is, "vigilar la asistencia."
"Sister of my heart" in Spanish is "Hermana de mi corazón."
you only say 'from my heart' it is 'de todo corazon'
French: Coeur
es mi corazon
Tienes mi corazon.
corazón confundido
corazon dulce
You could say "quiero mi corazón".