Try not to triple post. You can use either or to come down on, I've never taken both at the same time, but either benzo or opiate will help with the crash. You can take it if you want, take a .5 and take the coke and see if you like it. If you don't like it then save the Kpins for the end. I'm not sure of how your come down normally is or what you do to alleviate it.