I had a girl who was silent all the time.
I offer to meet (or she offers), we meet, we go / sit / edem, she is silent, well, I wait for a while, then I begin to talk about something, does not catch up the conversation, okay, I change the subject, again silent, at most some "aga", I begin to ask questions, to any question the answer of two or three words and keep silent after that.
In a few days it all repeats.
Somewhere in a month she gives me, "I think I need you just to speak..."