Background: Came across TRP about a year ago after shit blew up in my face, spent this last summer focusing and working on myself.

Fast-forward, in my second year of college, I start banging the hottest girl on our floor within a month, using my newfound knowledge. Have been sleeping with her for the last month without being in a relationship until a few days ago when I finally caved and agreed to date her. Based on her reaction when I asked her out it looks like she's been waiting LOL. She's been good to me so far; regular sex, made me some cookies last week, responds in a timely manner, etc., and from what I can tell she's into me. However, yesterday a potential red flag came up when she was on Snapchat and I glanced at her phone while she was in a conversation with someone and she quickly turned it away from me. Didn't ask to see it because that would look needy but being 'enlightened' as I am it has certainly reminded me of a woman's true nature. I've seen her phone before and this has been the first incident but it definitely makes me reevaluate my decision of getting into the relationship. Of course I want to be in a relationship but I also know a relationship means it probably wont end well, and to be honest I'm not sure if I'm ready for one but I digress. My question, or rather questions are how do you go about evaluating red flags, and is it worth putting time into a relationship if her true nature is bound to eventually come out?