So, I've been doing the rounds with different RCs. This time I have 3-FPM. I am trying to vape it (off tin foil) but I am not feeling much. I may be more tolerant than I anticipated as a few years ago I used crack cocaine and needed to large amounts. I've been holding my breath after inhaling (like with crack), is this what you are suppose to do? Also, is it possible I need to mix it with something else? Not sure what, just trying to cover my bases. Thanks for any help. I have tried to do some research and haven't found much, the few forms I have found are pretty long but seem to be filled with mostly people who aren't talking about it, or are talking about trying it, and hasn't really answered any of these questions. Thank you!