Is It Possible...

i think i kno the answer to this but me and my so bd like 4 days in a row then nothing for 3 days then lastnight we had AMAZING sex we r ttc and according to glow my fertile window doesnt start til monday but today i woke up tired im still tired i could literally shut my eyes and go to sleep right now ny lids r sooo heavy and my appetite was more than usual and i grabbed something to eat and the smell and taste of it made me feel kweezy and i feel FULL and just ugh and i started crying while texting my so i was thanking him for being there for me(long story) and i had tears rolling down my cheeks and it wasnt even really that deep so u cant get symptoms over night can u??? lol i kno stupid question but it just seems like i did