My DD (5) is profoundly deaf. She lip reads and signs and her speech is excellent.
My Dad has a terrible habit of bellowing everything at her at the top of his voice in a very precise and clear way. He is fully aware that she can hear quite literally nothing but still insists on doing it.
I've said to him several times that there is no need to do it and he will strain his voice, but he won't stop. It's uncomfortable for everyone else to listen to him shouting his head off all the time (did it yesterday at the panto!)
AIBU to have a serious talk about this with him?