-Yes, seriously. 

-Yes, I can still taste, but it's not what I would call a strong sense of taste. I'm much more of a texture based eater. 

-No, not even shit. 

-Yes, I can sense certain chemicals, but it's not a smell. It's kind of a tingle. 

-I fucking hated those markers as a kid. 

If those don't answer any of your questions, ask away. 