Also have a mumbling teenage boy.
Mind you, his dad & paternal GPs all talk quietly.
I have tinnitus, so my hearing is not the best.
Have a teenage daughter who currently talks too loud, but conversations are no better, for example-
She went to a friend´s confirmation & a party afterward recently.
Me:did you see anyone you know there?
Daughter: well, that woman with blond hair to here (indicating shoulder length) and her blond son, who we know from somewhere.
Me:Kindergarten, school?
Daughter:well no, otherwise I would have said
Me: well, with that info, & no names, I´m afraid I don´t know who you mean.
Daughter:really mummy, sometimes there´s just no point in talking to you!
Me: