Odd thing happened at the store today

So we live in a small town and went to our food store I was wearing a fluffy coat it was cold out my husband picked up two things of manayse by mistake so we went to self check out and theres always this get in your business worker there well he asks her if she could put the 2nd jar back she says no your wife's pregnant she will want both I look down my coat is still zipped and we hadn't said anything in thebatore about our baby then she goes on to say it's a boy ...im so freaked out!