Well, as the saying goes "the heart wants what it wants", and there's nothing wrong with that, especially when it comes to music. I do think every music fan should be conversant with the Beatles catalogue, simply because they've influenced popular music more significantly than any other artist or performer in the past century. In fact, I take it as an indicator of musical ignorance when I hear someone dis the Beatles as has beens or claim that they're no longer relevant to current music. You still can't throw a stone in the music world and not hit something or someone whose work still reflects Beatles influence either directly or indirectly.
That having been said, one of my best friends is a die hard fan and collector of both the Beatles and the Kinks and where I'm the opposite of you, in that I find the Kinks enjoyable, but relatively unevolved over the course of their career, I don't think he could choose between them. Whatever, dude.
My personal rule of thumb when it comes to music is that I'll give it at least three honest shots at impressing me before I leave it behind. And that's not to say some things don't grow on me even after that. But my 'worst nightmare' scenario would be stuck having to listen to the same limited collection of tunes over and over forever. That's the best thing about being obsessed with music, as far as I'm concerned. There's always something new to discover. Even in the old stuff.
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"Strange, inaccessible worlds exist at our very elbows"
- Howard Phillips Lovecraft