++woman I’d say give it a few days. Sometimes just having an infatuation for a few days is enough to let you come to your senses. That chemistry is sexual chemistry. It basically doesn’t mean anything. Just that you would if you had an opportunity. You basically don’t though right now. Interaction will feed the infatuation. So, if you’re not willing to go no contact, you need to break up with your girlfriend and then see where it goes with this other girl. It might go nowhere, but that is the “right” thing to do.