Don't be ashamed of unabashedly loving something. Even if people think you're strange, if you love it, love it with all your heart.
I'm currently taking down a lot of my LEGO sets from an era where that was really all I could think about.
I still love them with all my heart, but I feel it's time to move on a little bit.
I remember for the longest time I used to feel really embarrassed that - as an adult - I spent so much time, money, and brainpower on something most would write off as a kids toy.
I've learned to embrace it now, and to love every new hyper-fixation as they show up.