In a message Val wrote:

<< how long would it be healthy for the child to exclusively receive
breastmilk?>>

How about: As long as the baby is healthy.(?)

Healthy would include happy, growing, well, content, developing, and ...what
else?

How could the potential "panic", that you rightfully foresee, be avoided ?
other than reassurance based on the observation/routine physical assessment
of a healthy baby? Labs?

Deb