Bang on pal, everyone seems to want to be their kids best mates these days
You can have the sort of relationship with your grown up kids but when they're young they need to respect you as an authority figure, not see you as one of their mates. I'm best pals with my Da now but when I was a kid "pal" was the last word I'd use to describe him
Same in our house mate. You crossed my mother at your peril !
Once , I'd planned to go out with my pals, so when she said I had to stay in, I muttered some profanity under my breath. I knew she'd heard me, the moment I started fearing for my life. I'v