Grace: My mom couldn't come over today because she's sick.
Me: Your mom?
Grace: Yes, my mom had to go to the doctor to feel better.
Me: Aren't I your mom?
Grace: No! My other mom.
Me: You have two moms?
Grace: Yes, but my other mom couldn't come today because she's sick.
Me: What's your other mom's name?
Me: Does Gubby do laundry?