1) Not really. In fact, I have to use eye-drops sometimes on my right eye.

2) No, but concentrated magic from magical overload has been linked to cancer. Good news is that the density required to be statistically relevant is more than just about anypony would be able to cast and hold together, possibly even the princesses.

3) Seeing as that’s a strictly Human Earth symbol, it wouldn’t mean anything. Pretty sure it wouldn’t be possible, either.

4) Very much so.

What? Did you expect me to get all weepy and cry?

5) Ew… That’s pretty disgusting. I’d rather have free candy.

6) Yeah, sure. We can be shipping buddies!