Dylan has always been a kind and caring boyfriend, with a gentle and patient demeanor. However, over the last few days, he has started to change. He's become distant and unresponsive, and doesn't seem interested in the things that used to make us both happy. No matter how much I try to talk to him, he just keeps brushing me off. His behavior is totally out of character, and I'm confused. I don't know if I did anything wrong.