Dealer strangely ups prices after I ask for harder stuff?

pretty much drugs are bad for your brain development, and i dont do coke, i try it every once in a while(3 times in 2 years) ive seen what hardcore coke usage has done to my frined(she cant remember shit, but she was a real drug user like everything but meth and herion ans speacila k. I also kno a fucked but kid who told me the only drugs he wouldnt take were meth and heroin. and i think that says something about those drugs.