What?
Bitcoin was higher than $18k minutes ago and if you wanted to say something with $13k or $14k, it is supports, not resistance. The resistance for bitcoin is $19k or $20k. Three year resistance and it was not touched last 3 years. Bitcoin is closest to that resistance after 3 years.
Bitcoin Support and Resistance for dummiesHe means that there are possible correction that will happen before the price beat the 20K. he gives warning that it may happen soon so be prepared if you are Bitcoin holders it's a possible scenario because there is always a correction happen in price every time that there are much increase in price.