I've had serious issues ever since the first time I was cheated on (I've been cheated on twice). She was such a convincing liar and really good at covering her tracks. I did know something was up when she stopped having sex with me. But she always had a convincing excuse. It was crazy how good she was at lying. She was cheating on me with her ex. I had a sneaking suspicion that she never got over him and boy was I right. Basically anytime I wasn't around they were together. I thought I was just being paranoid then I found out from a mutual friend that she had been cheating on me and lying to me for months. I also found out they had been flirting via text basically the whole time we were together (close to a year). This whole situation fucked me up mainly because she fooled me so well. This was about five years ago and I still have serious trust issues. I even have trust issues outside of romantic pursuits. I always feel like I'm being lied to now. What do?