Please tell me this is a good sign!!! TTC?

7DPO severe cramping! so bad that I have been in bed all day! I cant sit up! the only ease I get is laying down!!! I am in so much pain! I hope this is more good than bad! nausea and stuff are happening too! any ideas.. advices!? I googled it and it seems like a lot of woman with BFP had signs this early...