Most definitely my interest in Japanese Idol culture, especially at my age. Being able to cite the names of your favourite units and if they're a multimedia one like LoveLive, their actresses names and favourite food can get you ragged on something rotten. We'll just conveniently leave out...
All the time. It's usually an age far lower than my actual one but I put that up to my playfullness, carefree nerd fashion sense maybe a smidge to being baby faced.
Getting ID'd for lottery tickets at 30+ isn't as embarrassing as it used to be.
I was honestly struggling for something self descriptive so opted for something that I find intriguing instead. The idea of being loyal but protective fell in to place by coincidence as I'm generally of that mindset irl.