recently started the pill

Hi guys. I started the pill about 3 weeks ago and so far so good, no real side effects yet. However, I have gained 3 pounds. I know that’s not a lot, but I am always the same exact weight so I notice it. Also, I feel like my face looks so different. I look in the mirror and it doesn’t even look like me. I can’t tell if it’s in my head or what. I haven’t been moody or emotional or anything like that (knock on wood). I just want to know if anyone else has experienced this. I feel kinda weird and insecure and I’m not usually like that, but my mental health has been good otherwise. I know it’s not a big deal but I just feel weird.