What to say when a guy says you turn him on?

Me and this guy like each other and we were flirting over text then he said to me "you turn me on". What's a good, playful but not too dirty response other than "you turn me on too" or anything along those lines? I thought of saying "Oh wow" with like an emoji or something, is that good?
Nothing too dirty please.
What to say when a guy says you turn him on?
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