I don’t get that either. If you are trying to be funny I can laugh for you as if you made that one genius joke from The Simpsons S11E5.
my point of not getting is that I don’t get how the idea of me breaking heteronormative expectations, has to do with me not facing certain surprises (which probably has more to do with me being a socially inept and reprehensible individual, rather than me not knowing my preferences)
Why so miffed? And why should you be the only one to use silly acronyms?
The cartoon was meant to poke fun at your assumption that your parents would be surprised by your behavior. They probably know you better than you might think.
As for your last sentence: "IDGI" - and IDC. No hard feelings.