I don’t know about other parents, but I have found one of the most challenging aspects of having kids is not letting them know how amusing I find some of their bullshit.
Take this with a grain of salt, because my kids are young; I haven’t gotten to the part where I have to worry about them doing drugs, or dating or whatever. I guess in the grand scheme of things my challenges are pretty quaint at the moment.
But you can not laugh when they’re doing something they’re not supposed to. No matter how cute, no matter how funny, if they see you smile, that’s it. You’re done. Pack it up and go home, you’ve lost the high ground, Anakin.
My wife is better at this than I am. My maturity level is about that of our five-year-old anyway, so I laugh at the dumbest shit. And then I’ve gotten the kids going, and I’m getting the “get your shit together” look from her.