Just a few questions

First off ill tell you about my situation.
*possible trigger words* stop here if easily triggered
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A long story short i got into transgendered person porn and sissy hypnosis. I recently stopped and joined nofap. Im currently on a 29 day streak however i met this girl and i have a few questions about if i could or have already possibly relapsed. Whenever we do stuff together i sometimes get an erection. In more specific one time i was lying on the couch and she got on top of me and we started making out it didnt go any further than that but i noticed later that i had pre cum in my boxers. Im not sure what to do because almost every time im near i get an erection and i think things could go even further than just making out. I really like this girl and I don't want to relapse because im so tired and insecure about this addiction i have. I honestly just don't know what to do. If you guys could help me out with this that would be great thanks!