Overheard or, How I know that voices carry

[Upstairs]

Me: /Sip/ *CoughCoughCoughGagChokeSputterGasp*

Julia: Are you okay, Mommy?

Me: *CoughCoughCough* Yes. But apparently I'm not very good at drinking water.

[Downstairs, 10 minutes later]

Me: *CoughCoughAhem*

Bob: You should get a drink of water.

Me: Hmmph.