Late and frustrated!

I'm going on three weeks late and I'm starting to become frustrated. I spotting (only when I wiped) for three days the week before my period. Tested at 4 days late and was a bfn. The only new symptoms are I look bloated in the lower part of my abdominal, feels like I'm catching a cold, sore nipples but only when there touched, increased wetness during sex, and increased appetite. I'm afraid to test again, but I guess I need to stop being a big baby and do it alreadu