For physical attributes.... the eyes, lips, and ass. I agree with aqua on that one!
Oh! And that beautiful place where the hip and stomache come together. On a man or woman.

As far as the rest.... wit and humor are huge turn ons..... as well as someone being comfortable in their own skin, confident.

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If you won't listen to reason, there's always... Towanda!... Kathy Bates~Fried Green Tomatoes