Background: I've been a lurker of TRP for about a year now. Started seeing a girl back in January, lets call her Jenna, who has a lot of great characteristics for a LTR. Conservative background, great relationship with her father, parents still married, only had two relationships so body count wise i'm her third time, she is really sweet, and I find her attractive(HB7.5)

Jenna and I are both 22 years old and going into our senior year of college together. We started dating back in February and so far I have been able to hold frame whenever i'm around her, and she frequently tells me I'm the best sex she's ever had. (Not saying this to brag but just to provide info)

I'm 6'4, fairly confident, lift 3-4 times a week with the stronglift routine, and I am trying to learn how to play guitar and speak spanish. I am currently interning in NYC, which made our relationship long distance for the summer(roughly 4 hours).

Situation: Jenna and I talked on the phone, snapchatted each other and video chatted pretty frequently while i've been away. I know normally this is frowned upon, but under the LDR circumstances I thought the circumstances might change. Three weeks into my internship, Jenna was strongly hinting to me over the phone that she was unhappy being in a LDR so I made the decision for us to go on a break. During the phone call she told me that if I met someone else I was interested in not to hold back.(This is a huge red flag for me because i'm sure she just said that so she doesn't feel guilty about seeing some other dudes).

At this point I pretty much have demoted her from a girlfriend to a plate, and I thought I would be okay with that but just the thought of her possibly seeing some other guy makes me a little sick and feel a little jealous(even though normally I'm not a jealous person.)

I came back home for the holiday weekend to hang out with friends and family, and Jenna reached out to me to hang out. We met up and I fucked her good 5 times. All was going well until I noticed that she set a passcode to her phone. I have never looked through her phone, but this was another red flag to me because before I left for NYC she didn't have a passcode on her phone. So my gut is telling me that she has something to hide. My brain and gut are telling me what I don't want it to be, while another side of me wants to think that she isn't talking to/fucking another guy. I really saw her as long term going into this school year, but after this(even though I'm not certain she's fucking around) I am hesitant to commit exclusively to her.

EDIT: I think it's important to point out that I definitely give her what she needs in bed. Only sometimes I tell her nice things while I fuck her slowly. I think it's important to change it up during sex and mainly ill dominate her and fuck her roughly while dirty talking her. She lives in a small rural farm town and I am definitely a better option to than the others guys back home. I definitely admit to catching feelings and saying some things only a love struck beta would say. My intention is to kill off these feelings and stop saying soft shit in bed. I truly don't think she is fucking Chad, but she is probably texting/hanging out with her orbiters. Regardless this is probably for the best I shouldn't be tied down for my final year of college.