pregnancy scare

im currently 8 days late

i got sore and sensitive breasts i get cramps a bit but not that much but everything else is okay nothing different my period is usually late i had sex i think the next day after my ovulation and i while i was giving a bj it has a weird taste but im sure it was just from me but im scared a bit even tho i know my bf is careful and he never cum while he was inside me only when i give him a bj later so im worrying a bit myb its bc im stressed?