A girl that i REALLY like and i need help with a bit of texting?

Hello , theres this girl i really like , ive met her once about a month ago and i text her everyday , go on cam like a few times every week and speak on phone a few times a week , im wondering now , should i text her stuff about relationship stuff instead of random **** all of the time (im 16) and if soo what sort of questions could i ask her?