7weeks today!

Hey everyone i am 7 weeks today! this is my second pregnancy my first was a chemical:( I am very worried as we want this baby so badly, i feel great and have good feeling about this baby. However I don’t have many symptoms, they come and go so days my breast are sore, some morning i gag (but haven’t got sick) my legs hurt for two days. but thats about it, Is this normal?