So I [34M] met a girl at a club. I was there with my two M friends, not really intend to succeed (we just ended up being there casually after visiting few pubs before so already UI). I saw her at the stairs by the entrance, she was with her FRIEND from her hometown (they drove their together). I immediately engaged into some casual conversation, made them laugh etc. We met again at the bar some time later and well... I don't know exactly how, but we ended up so much into each other, kissing a lot, dancing, touching etc a lot of physical strong chemistry. I almost took her to my place but there wasn't any cabs at the moment, I lost my jacket in the dressing room etc. Generally a combination of bad luck and she went back inside. However she gave me her phone number and yeah it was a wild night between us two. The next day I texted her and she ghosted me. I didn't text her ever since and probably it's all over but today I've noticed she created a WhatsApp account (she didn't have it for sure as I was looking for her there more than twice just recently). Probably it has nothing to do with me anymore but still seeing her picture launched an emotional spark that I didn't really want being in a middle of a process of forgetting about her. What should I do ?