So on monday of last week i had unprotect sex with my boyfriend and he busted inside me completely and then we went to get a plan b but the only thing is that day was one of my fertile. And ever since that day i have been feeling strange. My period is currently 4 days late. I have had fatigue everyday morning sickness loss of appetite smells bother me. Everything. Im scared to take the test and im scared to talk to my boyfriend about this too. What should i do or think? Advice please.