So many men don't realize that. If you're talking to a woman there's a pretty good chance that she already knows that you find her attractive. Talking about sex during the first conversation and showing your dick without being asked just makes you an asshole.
But once we've gotten to that point? I will remind her every day with visual proof that she's sexy as hell. I won't do unsolicited but if she asks for it...*unzips jeans*
you are a HOT mess