A 23-year-old gave his cousin a spare key to his apartment because they were close and she was already over constantly. A year later, he came home sick from work, found a stranger on his couch, changed the locks, and is now the one being accused of «switching up»
Boundary crawling is one of those things that is nearly invisible while it is happening. It doesn’t arrive all at once. So, if you ask me, changing the locks sounds more like catching up than switching up.