Everyone keeps asking if I'm pregnant!! my son only wants to be with me doesn't let my husband to…

Everyone keeps asking if I'm pregnant!! my son only wants to be with me doesn't let my husband to hug me and my husband has over a week saying he is dizzy and nauseous ect.....

I think it's impossible to be "pregnant" when i just finished my prd a about 1 1/2wks ago...??? could it?? can they feel sooooo early though... now they got me thinking....