If a cat is hissing or growling at you, it's a clear indication that they are uncomfortable or frightened by your presence. When a cat's tail is twitching or flicking, it can be a sign of agitation or annoyance. If a cat hides or runs away when you approach them, it could be a sign that they are scared or uncomfortable around you. If a cat scratches or bites you, it's a clear sign that they are unhappy with your presence or actions. When a cat's ears are flattened or pulled back, it can indicate that they are feeling threatened or uncomfortable. Sometimes a cat may not like you simply because they have not yet had the chance to get to know you. In these cases, it may take time and patience to build a relationship with the cat. However, if a cat consistently exhibits the above behaviors towards you, it may be best to give them space and avoid interacting with them.