Three simple words.
That could easily open up to various other topics. The response often come from either end of the spectrum -- could be as simple as a 2-letter word (or even one in this day and age) or even paragraphs of rants and thoughts. The same three words also have this certain value, often in the form of appreciation or acknowledgement (?). You know, it's like ... you are present in the life of the one asking you that question. Someone feeling depressed or lonely could have an instant recovery upon this one simple question. Sometimes (perhaps, most) they're just the magic words that would open the gates of emotions.
Presence. Assurance.
They're getting more important as days go by.
Hmm.
