Might just be me but i find it so cringe when grown ups say my best friend when they're not life long mates, even then it just feels a bit sad. In the sense of asking what someone did and they say I went to the gym with my best friend, like why not just say their name who cares if its your best mate, no grown up has ever asked is that your best friend?! Afrer hearing a name you'd ask whos that and then I'd expect to find they know such and such, we met at work etc
I know I'm being picky but its such an ick for me haha and how long has beggy even known this girl? I feel like its more of business relationship either through steve, her getting free treatments or something house related.