trapped in relationship?

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/adv/, we have relationship crisis again.
recently, i attended an excursion, with about 60 other people, knowing only 2 others. granted, i met a lot of new faces, and even made some new friends. there was one who stood out to me, and for privacy reasons, we will call her emma.

emma instantly caught my eye from the second i saw her, and we got to know each other from the get-go. she is an absolute bombshell, absolutely hilarious, smart as all hell, and we are both team instinct (deal breaker)

at the end, she told me she had something in relation to a little crush, or just feelings for me.

the only obstacle is my girlfriend of 7 months back home.

when we got together, we were both in a lesser spot in our lives, and we decided to make it kind of a spontaneous 'fuckit' decision. from there it was nothing but good vibes, good times, and amazing chemistry. we have the same taste in music, same interests (as far as sex goes), and dear fucking god she has an amazing body. shes a pretty good person at heart, can be a bit klutzy at times, but makes up for it in selflessness.
the selflessness likes to go way too overboard, however. she had told me that if i had never gotten with her and became who i am to her, she wouldnt be alive. she then proceeded to thank me for the rest of the week for that.

heres my dilemma, /adv/...
i do care about my girlfriend and i want her to be ok more than anything, but at the same time things have not really been progressing much as far as a relationship is concerned. we cant go two days without freaking out, worrying about the other, and end up both feeling like shit because of it.
when i met emma, and throughout the excursion, i had felt a similar feeling i had felt with my girlfriend, but amplified to an undiscovered degree.

part of me wants to move on from the constant worry and anxiety (regardless of emma), yet the other part wants to keep my lady safe and comfortable; hell, alive.

what do /adv/?
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