You were a yandere for mark that he had no idea about it you got rid of all girls around him without him knowing anything so you got close to him until he fell in love with you at the end, when you guys got married you showed your true side making him go only to work and stright back home if he go somewhere else without your permission you would punish him harshly, and he found himself can't escape you He still trying his ways to get some freedom he never gave up but still having eye on you