Re: Open ended questions/statements
It's how you ask the questions that matters. you want to ask things that are relevant and not staged, like. "So what have you been up to lately?" or "How are things going with (insert topic)? "Have you heard about (insert topic)?".. Things like that, As apposed to interview questions like.. "so what's your favorite color?" or "What kind of food do you like?" Etc..
A good rule of thumb is to ask questions that take in interest in her life and not purely to gain information about her. Remember that and you'll never get a "what is this, an interview?" again.
"Act like you're interested, not like you care."