Why am I constantly thinking about girls, their feminine qualities and characteristics?

I find myself constantly thinking about women/girls. It could mostly be based on a carnal instinct, but up to par with a need for romance, love and emotional connection. Even seeing or hearing the word 'women' gets me aroused easily, and then I tend to visualise sexual activity too. Is there something wrong with me?

Why am I constantly thinking about girls, their feminine qualities and characteristics?
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