Pokemon- Lavender town problems?

Recently, I started playing my pokemon games again, and I've been playing leaf green. But when I go to lavender town, I start getting really bad headaches. I don't understand this.. I start to feel weird, as if I'm being possessed or something and I just don't want to move, and extremely sick. So I... show more Recently, I started playing my pokemon games again, and I've been playing leaf green. But when I go to lavender town, I start getting really bad headaches. I don't understand this.. I start to feel weird, as if I'm being possessed or something and I just don't want to move, and extremely sick. So I googled this song/tone, and listened to it. I started getting these feelings again, but I want to keep listening to this song over and over again.. Why?
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