I feel like a stalker.......o_O

So....awhile back I was texting an old crush that has graduated already and he told me where he worked. And I ended up going there with my cuz to go shopping today. I swear I was all nervous and alert even though I havent seen him for a year. I saw a guy who looked like him, and i swear I was literally staring him down trying to see if it was him(because a person can change a lot in a year), but when it came down to it I confirmed that he was too tall and his movements were completely different so it wasn't him, which meant I had just made some guy feel really uncomfortable... But, when we went to get in line at the cash registers I looked over at a cashier that was at least 2 or three registers down from where I was, and I swear i feel it was him. Im not completely sure since i wasn't wearing my glasses ,considering the distance(the fact that i was in the end of my line didnt help the distance either). So now Im just sitting at home thinking back at what i did and have that "I feel like a stalker.." expression on my face. So, yeahh Im just gonna confirm now that Im not a stalker, just feelin like one at the moment.:/