Before Bitcoin can rise again, the majority of trader-type investors that only buy Bitcoin for USD profits need to be washed out of the market. It's possible that we see new lows in the process.
It'll need decades to change that mindset. When we are old we'll probably deal in Bitcoin without calculating the corresponding USD value, but this is far off. Until then, BTC will always be traded for USD profits. That means there is a long, bumpy road ahead indeed.
Still today you find people in Germany secretly converting the EURO to the former Deutsche Mark which even doesn't exist anymore. And then they say "Wow this is expensive, i don't buy it."
yes perception is everything. am old enough to remember when we went from pounds to dollars in New Zealand in the 1960s. it was a 'simple' 2 for 1 exchange yet for years people would mentally convert the price back to pounds to check on a an items price for "reasonableness". as with your deutsche mark example it distorts their thinking about cheap or expensive 
