My guess is that it's the same thing in personal interactions - the depth of emotional genuineness.
Humans universally desire connection to other humans; it's survival, it's desire, it's necessary for emotional processing. Empathy understanding others' emotions; it's a universal skill. We need to be expert readers of emotion. We can sense when it's false or partly covered up, and long for that deeper connection that unlocks our own emotions.
An actor has the challenge of finding genuine emotions to play a fictional person.
Humans universally desire connection to other humans; it's survival, it's desire, it's necessary for emotional processing. Empathy understanding others' emotions; it's a universal skill. We need to be expert readers of emotion. We can sense when it's false or partly covered up, and long for that deeper connection that unlocks our own emotions.
An actor has the challenge of finding genuine emotions to play a fictional person.