I really don't know..

I don't know what to do anymore. I'm a day late for AF, and I know it's not coming. I'm having pregnancy symptoms but when I post a picture some people say they see it and others don't. I've been getting nauseous, and a few days ago didn't have an appetite. I'm also bloated and I tried eating a piece of candy yesterday evening and got instantly nauseous which is not normal for me. Also I've been waking up once every night for the past couple of nights having to pee really bad. I just need to find out if I am..