It's ok at 3 mate. Mine were the same. After years of it though and then my daughter computing that I was 'in the world' she had a complete meltdown aged 7. Telling me Jehovah is going to kill me and my family.
Protect her. Time passes. Information gets retained and the result isn't at all pleasant.
I wrote all about it in a three part story around 7 years ago on here. Have a look.