When my kids were little I spent LOTS of time with them at the local parks, etc. So many times some mom would make the remark “Oh - babysitting the kids today?”
“No - I’m their DAD!” (Of course they knew that already).
I alway hated that. No one ever asked a mom if she was babysitting her kids. I have had the question “are all of those your kids?” when I have my children and some of their friends. I always say ‘no but I sure wish they were’ or ‘no but I would take them all’.