[sctb]

I would suggest that, like many things, that line is dependent on all of the details of the situation. Because all of those subtle details (e.g. the mood, receptiveness, familiarity, interest, etc. of the other person and yourself) matter, you need to be able to take those in and respond accordingly. So you could say that a prerequisite for connection is something like "presence", the ability to give your full attention to the interaction itself. Or you could say that this is actually the essence of connection, and the conversation is an expression of that togetherness of presence.