Okay, so basically I am admitting to myself that I have a happy crush on a girl I met for one day at an event, whilst having a girlfriend for 3 years. Me and my girlfriend have no issues with our relationship, we are happy and love each other very much. It's just that, this new girl I met, she kept giving me butterflies in my stomach everytime I would glance at her. And to top it off, we have similar interests and feel like we have good chemistry with each other. I don't know if it was the butterflies in my stomach talking to me, but I felt like she was also into me, because she would actively try to stand or sit beside me during our event, in which the purpose of the event was to socialize with other people. So for her to constantly seek me out even after talking with other people... it made me feel like she was forming feelings for me, and likewise because I would also gravitate towards her even when there were others, we just shared so much in common.