Agree. Is she a mother or not?

If it was for work or doctor's or family emergency. Sure.

But because it is an inconvenience for her. Tough cookies.

Just reply back that you are busy and will not be able to get S from child care.

Do not give the speech.

Flowers always make people better, happier, and more helpful; they are sunshine, food and medicine for the soul.
unconditional love is awesome!