night shift romance and boundaries

i work nights at this convenience store in a quiet part of town. i met her one night when she came in late for coffee, and we started talking a lot about our days and stuff. turns out she lives nearby too. long story short, we hit it off big time and have been seeing each other since. i know my bf back home would be pissed if he knew but honestly i love both of them and they don't know about the other one. this has been going on for a month now and we've had some pretty amazing times together at her place when its safe to sneak out, even though im only there after work shifts or weekends. its all consensual, no lies really but we dont talk much about anything outside of us two. sometimes i feel guilty and other times i think what is the harm? everyone has a little secret right? im not sure if this will last forever though as my bf is getting pretty clingy asking me to move back closer to him soonish so i can see how long i keep up with both at once