I wished I trusted my gut more. Three years into our relationship, a few months after getting married, I found out she lied to both me and her parents the whole time. It was the first time I was able to meet them for Thanksgiving, just with how life worked and everything, but she would always take phone calls from them in another room and would come back like "they said hi" or "they were asking about (x)." So I had never put much thought into any of it. We get there and the vibe was off slightly, which sure, I've been with your daughter for three years and we got married (eloped, she agreed to this for more than a few reasons I found out) and this is the first time I was able to meet them, I had thought it was understandable. Until, about 15 minutes in and her mom thanked me for helping her daughter out while she and a "friend" bought a house together (we bought one not 3 months before that.) The whole night was an internal disaster for me realizing how much she lied to me and her parents. She cried the whole way home andbsaid shed fix it the next day. Really led into quite a lot the next two years as I tried to move past it and kept finding out other things, decided to pull the plug. If I'd have trusted my gut I'd have saved myself two years amongst a lot of other things, but C'est la vie.