In many European countries, 16 is the age of consent. I don't know how it is in the US. But if you're both OK with that and you're not taking advantage of your age or experience to trick her into s...

Well, of course it's normal, some people are more horny than others. You should try to go out and meet guys, it's better than staying alone.

Don't worry too much. It happened to me once: I don't smoke weed but sometimes I used to take a puff or two, and once I took a few puffes from a joint done with artisanal weed. I bad tripped as wel...