Megosztott hang

Am I The Asshole for not confronting my girlfriend after I caught her lying… and instead pretending everything is normal? I (29M) have been dating my girlfriend (27F) for about a year. Last weekend, I was invited to a coworker’s wedding. I told my girlfriend about it, and she said she couldn’t come because she was going out of town to visit family. No red flags, nothing weird. So I go alone. Reception’s going fine—food, small talk, the usual. At one point I step away to grab a drink, and tha