Can anyone relate to this?

Ok, so my last two cycles have been 24 days they were 28 days. First time I was thinking Ib when I started spotting but turned into period. This month Af came 5/25 ( I felt like I was pg), I poas and it was negative. Af lasted her usual 3 -4 days. Since she has stopped I still feel like im pg ( havent tested again) ive been so emotional like one minute im happy, then mad and then almost crying. Has anyone had a af then gotten a BFP within days after and been emotional like this, or know anyone who has? Thanks in advance for your replies.