What do you do with a mentor?

I've been blessed with mentor from Google. It was under the Google Top Black Talent programme which is hoping to help Black students in the UK to make the most of life and become the best that they can be. I'm really happy that I've been given a mentor and to be honest they couldn't have chosen a better person, he's from my part of London, went to a school near mine, then went on to my university to study a course very similar to my own. So now I've got the perfect mentor which is what all these make-the-most-of-mentoring websites say is key. 

But the problem is, I don't know what do from here. I'm not one for asking questions. I've always been asked the questions. It has always been assumed that I know all that I need to know and anything I don't know has also been assumed and imparted to me without me asking. In fact my dad used to pull his hair out telling me that when I need help I should just ask. My usual response was "I don't need help, and I'd rather struggle and get there than ask someone and get there quicker but without my input." Now it seems getting a mentor is the fashion of success and I have to set the agenda and make sure we talk and all the rest, but I don't have a schedule in mind, I don't know anymore what I'm to expect from this. What should I ask to get the most out of this? 

Advice below, is welcome. I'll keep you updated about the progress my mentor and I make. Til next time, world...