I have been talking to this girl and i like her and im talking to her mom on thursday?? Best anwser right away?

This girl lindsey and i have been friends for almost 8 years now and when her last boyfriend Destroyed her heart i was there for her all the time. we have gotten so close over the 3 months. i go to her house every other day. we text constantly and we talk on the phone for an hour or more each night. I Like Her A lot. On Thursday i am going to her house to talk to her mother and i am Absolutely clueless on what to ask or say!!! PLEASE BE AS DETAILED AS POSSIBLE. THE MOST DETAILED AND HELPFUL WILL GET BEST ANSWER!!! What should i say or ask????