What are some reasons a guy would attract older women?

I'm not complaining cause I prefer older women but I've realized I don't normally attract women my age, only sometimes and I don't think thats normal right?

Is it cause I look older? When I was 15 I had a thing with a woman that was 18, when I was 18 I attracted women in their 20s (most mid 20s) and now that I'm in my 20s, some reach their 30s, does this happen to anyone else?
What are some reasons a guy would attract older women?
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