Yeah, I think that's fairly safe to say.
A better question is how you're going to talk to him about it, because frankly, if you don't, your dad will.
You may like the guy, you may not, but he's being a bit creepy. If you like him, talk to him about it and, hey, if you hit it off and he apologizes, go for it. Two consenting adults can go out regardless of age. I'd let your dad know up front, but like I said, it's your life.
If you don't, you need to shut him down. Tell him, honestly, how his behavior makes you feel, and why it's not OK. If he doesn't back off, then talk to your dad about it; if he's going to make you uncomfortable he shouldn't be welcome when you're around.
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How about telling a member of your family or a close friend, so they can keep an eye out and see if he's crossing any lines if you can't tell yourself? Especially if he's making you feel uncomfortable. He might just be one of those people who get mistaken for being creepy when really they haven't realised they could look creepy, but you don't have to stand there and put up with it if you don't want to.
What does it mean? Does he like you? I think you know what it means and I think you know he likes you. What worries me is that according to these naive questions, I can tell your very young and if a guy who in his mid 50's gets close enough -creepy enough- to sniff your hair and you have absolutely no idea if he likes you, well it means you're too young for him. Which makes him sound a lot creepier than I thought.
It means he is a creepy old man! Tell you dad & see if he agrees...
(you=your)
*nods* ...agree with you Silky -- a bit disturbing and way CREEPY!