Yes, but he gets points for being a Dirty Old Man. Also for being quick with witty limericks.
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I got a kiss and an autograph when he was in his Dirty Old Man phase - as did a few thousand other girls.
I met him at my first Lunacon in Tarrytown, NY c. 1987. He was just milling around in the crowd. I happened to have a camera to take pictures of some of the costumes that I'd seen, so I worked up the nerve to ask him if I could take his picture.
He said, "Sure, sure, as long as I don't have to pose."
Oh, no, sir, you don't have to pose.
"I'll look at the pretty girls."
I have this great, statesman-like picture of Asimov in 3/4 profile, hands on his lapels ... ogling some half-naked (but adequately covered) young ladies.