As for the first kid, people share joints outside in Portland, though infrequently. I would assume he liked you and maybe thought you looked like you could use a hit. The second: I would have said, 'Kiss off,' and left. Guys making jokes about whether a girl's distinctive hair coloring is mirrored down there are idiots who don't have anything better to say (and that's really scraping the bottom of the barrel. He could have just smiled and made more points.) Dummies.